Home / 304,528.21-456,490.99-144,322.56

Finding the Fourth Proportional to 304,528.21, 456,490.99 and 144,322.56

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Solution

The fourth proportional to 304,528.21, 456,490.99 and 144,322.56 is: 216,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,528.21 : 456,490.99 = 144,322.56 : x
  2. Step 2: Convert to fraction form
    304,528.21/456,490.99 = 144,322.56/x
  3. Step 3: Cross multiply
    304,528.21x = 456,490.99 × 144,322.56
  4. Step 4: Simplify right side
    304,528.21x = 65,881,948,474.14
  5. Step 5: Solve for x
    x = 65,881,948,474.14/304,528.21
  6. Step 6: Final answer
    x = 216,341.04

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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.