Home / 288,587.66-432,938.90-88,899.53

Finding the Fourth Proportional to 288,587.66, 432,938.90 and 88,899.53

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Solution

The fourth proportional to 288,587.66, 432,938.90 and 88,899.53 is: 133,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,587.66 : 432,938.90 = 88,899.53 : x
  2. Step 2: Convert to fraction form
    288,587.66/432,938.90 = 88,899.53/x
  3. Step 3: Cross multiply
    288,587.66x = 432,938.90 × 88,899.53
  4. Step 4: Simplify right side
    288,587.66x = 38,488,064,728.72
  5. Step 5: Solve for x
    x = 38,488,064,728.72/288,587.66
  6. Step 6: Final answer
    x = 133,366.98

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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.