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Finding the Fourth Proportional to 410,009.92, 615,288.48 and 143,770.24

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Solution

The fourth proportional to 410,009.92, 615,288.48 and 143,770.24 is: 215,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,009.92 : 615,288.48 = 143,770.24 : x
  2. Step 2: Convert to fraction form
    410,009.92/615,288.48 = 143,770.24/x
  3. Step 3: Cross multiply
    410,009.92x = 615,288.48 × 143,770.24
  4. Step 4: Simplify right side
    410,009.92x = 88,460,172,438.84
  5. Step 5: Solve for x
    x = 88,460,172,438.84/410,009.92
  6. Step 6: Final answer
    x = 215,751.30

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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.