Home / 316,760.41-437,129.34-173,520.40

Finding the Fourth Proportional to 316,760.41, 437,129.34 and 173,520.40

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Solution

The fourth proportional to 316,760.41, 437,129.34 and 173,520.40 is: 239,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,760.41 : 437,129.34 = 173,520.40 : x
  2. Step 2: Convert to fraction form
    316,760.41/437,129.34 = 173,520.40/x
  3. Step 3: Cross multiply
    316,760.41x = 437,129.34 × 173,520.40
  4. Step 4: Simplify right side
    316,760.41x = 75,850,857,928.54
  5. Step 5: Solve for x
    x = 75,850,857,928.54/316,760.41
  6. Step 6: Final answer
    x = 239,458.14

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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.