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Finding the Fourth Proportional to 459,289.85, 633,819.13 and 255,359.59

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Solution

The fourth proportional to 459,289.85, 633,819.13 and 255,359.59 is: 352,395.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,289.85 : 633,819.13 = 255,359.59 : x
  2. Step 2: Convert to fraction form
    459,289.85/633,819.13 = 255,359.59/x
  3. Step 3: Cross multiply
    459,289.85x = 633,819.13 × 255,359.59
  4. Step 4: Simplify right side
    459,289.85x = 161,851,790,948.01
  5. Step 5: Solve for x
    x = 161,851,790,948.01/459,289.85
  6. Step 6: Final answer
    x = 352,395.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.