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Finding the Fourth Proportional to 288,280.33, 432,461.85 and 88,617.49

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Solution

The fourth proportional to 288,280.33, 432,461.85 and 88,617.49 is: 132,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,280.33 : 432,461.85 = 88,617.49 : x
  2. Step 2: Convert to fraction form
    288,280.33/432,461.85 = 88,617.49/x
  3. Step 3: Cross multiply
    288,280.33x = 432,461.85 × 88,617.49
  4. Step 4: Simplify right side
    288,280.33x = 38,323,683,667.76
  5. Step 5: Solve for x
    x = 38,323,683,667.76/288,280.33
  6. Step 6: Final answer
    x = 132,938.95

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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.