Home / 304,519,333.95-420,225,806.86-172,357,492.14

Finding the Fourth Proportional to 304,519,333.95, 420,225,806.86 and 172,357,492.14

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Solution

The fourth proportional to 304,519,333.95, 420,225,806.86 and 172,357,492.14 is: 237,847,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,519,333.95 : 420,225,806.86 = 172,357,492.14 : x
  2. Step 2: Convert to fraction form
    304,519,333.95/420,225,806.86 = 172,357,492.14/x
  3. Step 3: Cross multiply
    304,519,333.95x = 420,225,806.86 × 172,357,492.14
  4. Step 4: Simplify right side
    304,519,333.95x = 72,429,066,202,466,704
  5. Step 5: Solve for x
    x = 72,429,066,202,466,704/304,519,333.95
  6. Step 6: Final answer
    x = 237,847,184.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.