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Finding the Fourth Proportional to 641,875.32, 962,856.72 and 168,559.92

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Solution

The fourth proportional to 641,875.32, 962,856.72 and 168,559.92 is: 252,851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,875.32 : 962,856.72 = 168,559.92 : x
  2. Step 2: Convert to fraction form
    641,875.32/962,856.72 = 168,559.92/x
  3. Step 3: Cross multiply
    641,875.32x = 962,856.72 × 168,559.92
  4. Step 4: Simplify right side
    641,875.32x = 162,299,051,694.66
  5. Step 5: Solve for x
    x = 162,299,051,694.66/641,875.32
  6. Step 6: Final answer
    x = 252,851.37

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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.