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Finding the Fourth Proportional to 425,749, 587,503.58 and 234,758.30

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Solution

The fourth proportional to 425,749, 587,503.58 and 234,758.30 is: 323,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,749 : 587,503.58 = 234,758.30 : x
  2. Step 2: Convert to fraction form
    425,749/587,503.58 = 234,758.30/x
  3. Step 3: Cross multiply
    425,749x = 587,503.58 × 234,758.30
  4. Step 4: Simplify right side
    425,749x = 137,921,341,684.71
  5. Step 5: Solve for x
    x = 137,921,341,684.71/425,749
  6. Step 6: Final answer
    x = 323,949.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.