Home / 303,045.13-454,567.65-287,892.06

Finding the Fourth Proportional to 303,045.13, 454,567.65 and 287,892.06

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Solution

The fourth proportional to 303,045.13, 454,567.65 and 287,892.06 is: 431,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,045.13 : 454,567.65 = 287,892.06 : x
  2. Step 2: Convert to fraction form
    303,045.13/454,567.65 = 287,892.06/x
  3. Step 3: Cross multiply
    303,045.13x = 454,567.65 × 287,892.06
  4. Step 4: Simplify right side
    303,045.13x = 130,866,417,167.86
  5. Step 5: Solve for x
    x = 130,866,417,167.86/303,045.13
  6. Step 6: Final answer
    x = 431,838.05

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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.