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Finding the Fourth Proportional to 636,675.42, 954,909.35 and 187,291.22

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Solution

The fourth proportional to 636,675.42, 954,909.35 and 187,291.22 is: 280,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,675.42 : 954,909.35 = 187,291.22 : x
  2. Step 2: Convert to fraction form
    636,675.42/954,909.35 = 187,291.22/x
  3. Step 3: Cross multiply
    636,675.42x = 954,909.35 × 187,291.22
  4. Step 4: Simplify right side
    636,675.42x = 178,846,138,567.12
  5. Step 5: Solve for x
    x = 178,846,138,567.12/636,675.42
  6. Step 6: Final answer
    x = 280,906.30

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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.