Home / 307,984.38-425,013.95-172,020.27

Finding the Fourth Proportional to 307,984.38, 425,013.95 and 172,020.27

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Solution

The fourth proportional to 307,984.38, 425,013.95 and 172,020.27 is: 237,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,984.38 : 425,013.95 = 172,020.27 : x
  2. Step 2: Convert to fraction form
    307,984.38/425,013.95 = 172,020.27/x
  3. Step 3: Cross multiply
    307,984.38x = 425,013.95 × 172,020.27
  4. Step 4: Simplify right side
    307,984.38x = 73,111,013,572.67
  5. Step 5: Solve for x
    x = 73,111,013,572.67/307,984.38
  6. Step 6: Final answer
    x = 237,385.46

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1.5x scale

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.