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Finding the Fourth Proportional to 727,149.76, 1,090,779.32 and 194,659

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Solution

The fourth proportional to 727,149.76, 1,090,779.32 and 194,659 is: 292,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,149.76 : 1,090,779.32 = 194,659 : x
  2. Step 2: Convert to fraction form
    727,149.76/1,090,779.32 = 194,659/x
  3. Step 3: Cross multiply
    727,149.76x = 1,090,779.32 × 194,659
  4. Step 4: Simplify right side
    727,149.76x = 212,330,011,651.88
  5. Step 5: Solve for x
    x = 212,330,011,651.88/727,149.76
  6. Step 6: Final answer
    x = 292,003.14

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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.