Home / 397,397.91-596,038.53-131,167.11

Finding the Fourth Proportional to 397,397.91, 596,038.53 and 131,167.11

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Solution

The fourth proportional to 397,397.91, 596,038.53 and 131,167.11 is: 196,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,397.91 : 596,038.53 = 131,167.11 : x
  2. Step 2: Convert to fraction form
    397,397.91/596,038.53 = 131,167.11/x
  3. Step 3: Cross multiply
    397,397.91x = 596,038.53 × 131,167.11
  4. Step 4: Simplify right side
    397,397.91x = 78,180,651,428.75
  5. Step 5: Solve for x
    x = 78,180,651,428.75/397,397.91
  6. Step 6: Final answer
    x = 196,731.41

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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.