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Finding the Fourth Proportional to 289,037.60, 432,535.80 and 252,004.40

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Solution

The fourth proportional to 289,037.60, 432,535.80 and 252,004.40 is: 377,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,037.60 : 432,535.80 = 252,004.40 : x
  2. Step 2: Convert to fraction form
    289,037.60/432,535.80 = 252,004.40/x
  3. Step 3: Cross multiply
    289,037.60x = 432,535.80 × 252,004.40
  4. Step 4: Simplify right side
    289,037.60x = 109,000,924,757.52
  5. Step 5: Solve for x
    x = 109,000,924,757.52/289,037.60
  6. Step 6: Final answer
    x = 377,116.77

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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.