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Finding the Fourth Proportional to 288,567.19, 432,898.17 and 88,883.17

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Solution

The fourth proportional to 288,567.19, 432,898.17 and 88,883.17 is: 133,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,567.19 : 432,898.17 = 88,883.17 : x
  2. Step 2: Convert to fraction form
    288,567.19/432,898.17 = 88,883.17/x
  3. Step 3: Cross multiply
    288,567.19x = 432,898.17 × 88,883.17
  4. Step 4: Simplify right side
    288,567.19x = 38,477,361,636.80
  5. Step 5: Solve for x
    x = 38,477,361,636.80/288,567.19
  6. Step 6: Final answer
    x = 133,339.35

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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.