Home / 307,208.20-460,877.10-129,623.80

Finding the Fourth Proportional to 307,208.20, 460,877.10 and 129,623.80

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Solution

The fourth proportional to 307,208.20, 460,877.10 and 129,623.80 is: 194,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,208.20 : 460,877.10 = 129,623.80 : x
  2. Step 2: Convert to fraction form
    307,208.20/460,877.10 = 129,623.80/x
  3. Step 3: Cross multiply
    307,208.20x = 460,877.10 × 129,623.80
  4. Step 4: Simplify right side
    307,208.20x = 59,740,641,034.98
  5. Step 5: Solve for x
    x = 59,740,641,034.98/307,208.20
  6. Step 6: Final answer
    x = 194,463.04

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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.