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Finding the Fourth Proportional to 459,508.04, 634,023.78 and 278,184.68

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Solution

The fourth proportional to 459,508.04, 634,023.78 and 278,184.68 is: 383,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,508.04 : 634,023.78 = 278,184.68 : x
  2. Step 2: Convert to fraction form
    459,508.04/634,023.78 = 278,184.68/x
  3. Step 3: Cross multiply
    459,508.04x = 634,023.78 × 278,184.68
  4. Step 4: Simplify right side
    459,508.04x = 176,375,702,351.69
  5. Step 5: Solve for x
    x = 176,375,702,351.69/459,508.04
  6. Step 6: Final answer
    x = 383,835.94

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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.