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Finding the Fourth Proportional to 410,010.42, 615,289.23 and 143,770.74

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Solution

The fourth proportional to 410,010.42, 615,289.23 and 143,770.74 is: 215,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,010.42 : 615,289.23 = 143,770.74 : x
  2. Step 2: Convert to fraction form
    410,010.42/615,289.23 = 143,770.74/x
  3. Step 3: Cross multiply
    410,010.42x = 615,289.23 × 143,770.74
  4. Step 4: Simplify right side
    410,010.42x = 88,460,587,911.13
  5. Step 5: Solve for x
    x = 88,460,587,911.13/410,010.42
  6. Step 6: Final answer
    x = 215,752.05

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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.