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Finding the Fourth Proportional to 488,365.30, 732,657.30 and 188,819.20

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Solution

The fourth proportional to 488,365.30, 732,657.30 and 188,819.20 is: 283,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,365.30 : 732,657.30 = 188,819.20 : x
  2. Step 2: Convert to fraction form
    488,365.30/732,657.30 = 188,819.20/x
  3. Step 3: Cross multiply
    488,365.30x = 732,657.30 × 188,819.20
  4. Step 4: Simplify right side
    488,365.30x = 138,339,765,260.16
  5. Step 5: Solve for x
    x = 138,339,765,260.16/488,365.30
  6. Step 6: Final answer
    x = 283,271.08

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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.