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Finding the Fourth Proportional to 459,165.60, 688,748.40 and 299,733.30

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Solution

The fourth proportional to 459,165.60, 688,748.40 and 299,733.30 is: 449,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,165.60 : 688,748.40 = 299,733.30 : x
  2. Step 2: Convert to fraction form
    459,165.60/688,748.40 = 299,733.30/x
  3. Step 3: Cross multiply
    459,165.60x = 688,748.40 × 299,733.30
  4. Step 4: Simplify right side
    459,165.60x = 206,440,830,801.72
  5. Step 5: Solve for x
    x = 206,440,830,801.72/459,165.60
  6. Step 6: Final answer
    x = 449,599.95

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Similar ratio
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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.