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Finding the Fourth Proportional to 549,105.58, 757,759.86 and 307,390.14

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Solution

The fourth proportional to 549,105.58, 757,759.86 and 307,390.14 is: 424,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,105.58 : 757,759.86 = 307,390.14 : x
  2. Step 2: Convert to fraction form
    549,105.58/757,759.86 = 307,390.14/x
  3. Step 3: Cross multiply
    549,105.58x = 757,759.86 × 307,390.14
  4. Step 4: Simplify right side
    549,105.58x = 232,927,909,451.78
  5. Step 5: Solve for x
    x = 232,927,909,451.78/549,105.58
  6. Step 6: Final answer
    x = 424,195.12

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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.