Home / 478,148.08-659,849.22-263,308.12

Finding the Fourth Proportional to 478,148.08, 659,849.22 and 263,308.12

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Solution

The fourth proportional to 478,148.08, 659,849.22 and 263,308.12 is: 363,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,148.08 : 659,849.22 = 263,308.12 : x
  2. Step 2: Convert to fraction form
    478,148.08/659,849.22 = 263,308.12/x
  3. Step 3: Cross multiply
    478,148.08x = 659,849.22 × 263,308.12
  4. Step 4: Simplify right side
    478,148.08x = 173,743,657,601.67
  5. Step 5: Solve for x
    x = 173,743,657,601.67/478,148.08
  6. Step 6: Final answer
    x = 363,367.89

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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.