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Finding the Fourth Proportional to 288,702.58, 433,026.01 and 88,969.34

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Solution

The fourth proportional to 288,702.58, 433,026.01 and 88,969.34 is: 133,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,702.58 : 433,026.01 = 88,969.34 : x
  2. Step 2: Convert to fraction form
    288,702.58/433,026.01 = 88,969.34/x
  3. Step 3: Cross multiply
    288,702.58x = 433,026.01 × 88,969.34
  4. Step 4: Simplify right side
    288,702.58x = 38,526,038,312.53
  5. Step 5: Solve for x
    x = 38,526,038,312.53/288,702.58
  6. Step 6: Final answer
    x = 133,445.42

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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.