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Finding the Fourth Proportional to 488,030.90, 731,978.85 and 151,303.10

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Solution

The fourth proportional to 488,030.90, 731,978.85 and 151,303.10 is: 226,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,030.90 : 731,978.85 = 151,303.10 : x
  2. Step 2: Convert to fraction form
    488,030.90/731,978.85 = 151,303.10/x
  3. Step 3: Cross multiply
    488,030.90x = 731,978.85 × 151,303.10
  4. Step 4: Simplify right side
    488,030.90x = 110,750,669,139.44
  5. Step 5: Solve for x
    x = 110,750,669,139.44/488,030.90
  6. Step 6: Final answer
    x = 226,933.72

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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.