Home / 317,665.15-438,384.97-174,425.76

Finding the Fourth Proportional to 317,665.15, 438,384.97 and 174,425.76

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Solution

The fourth proportional to 317,665.15, 438,384.97 and 174,425.76 is: 240,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,665.15 : 438,384.97 = 174,425.76 : x
  2. Step 2: Convert to fraction form
    317,665.15/438,384.97 = 174,425.76/x
  3. Step 3: Cross multiply
    317,665.15x = 438,384.97 × 174,425.76
  4. Step 4: Simplify right side
    317,665.15x = 76,465,631,564.83
  5. Step 5: Solve for x
    x = 76,465,631,564.83/317,665.15
  6. Step 6: Final answer
    x = 240,711.43

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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.