Home / 281,151.10-421,260.09-197,870.14

Finding the Fourth Proportional to 281,151.10, 421,260.09 and 197,870.14

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Solution

The fourth proportional to 281,151.10, 421,260.09 and 197,870.14 is: 296,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,151.10 : 421,260.09 = 197,870.14 : x
  2. Step 2: Convert to fraction form
    281,151.10/421,260.09 = 197,870.14/x
  3. Step 3: Cross multiply
    281,151.10x = 421,260.09 × 197,870.14
  4. Step 4: Simplify right side
    281,151.10x = 83,354,792,984.71
  5. Step 5: Solve for x
    x = 83,354,792,984.71/281,151.10
  6. Step 6: Final answer
    x = 296,476.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.