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Finding the Fourth Proportional to 355,875.92, 533,470.88 and 131,113.44

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Solution

The fourth proportional to 355,875.92, 533,470.88 and 131,113.44 is: 196,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,875.92 : 533,470.88 = 131,113.44 : x
  2. Step 2: Convert to fraction form
    355,875.92/533,470.88 = 131,113.44/x
  3. Step 3: Cross multiply
    355,875.92x = 533,470.88 × 131,113.44
  4. Step 4: Simplify right side
    355,875.92x = 69,945,202,216.63
  5. Step 5: Solve for x
    x = 69,945,202,216.63/355,875.92
  6. Step 6: Final answer
    x = 196,543.79

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1.5x scale

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.