Home / 307,996.27-425,030.33-172,032.20

Finding the Fourth Proportional to 307,996.27, 425,030.33 and 172,032.20

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Solution

The fourth proportional to 307,996.27, 425,030.33 and 172,032.20 is: 237,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,996.27 : 425,030.33 = 172,032.20 : x
  2. Step 2: Convert to fraction form
    307,996.27/425,030.33 = 172,032.20/x
  3. Step 3: Cross multiply
    307,996.27x = 425,030.33 × 172,032.20
  4. Step 4: Simplify right side
    307,996.27x = 73,118,902,635.42
  5. Step 5: Solve for x
    x = 73,118,902,635.42/307,996.27
  6. Step 6: Final answer
    x = 237,401.91

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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.