Home / 415,357.27-623,026.96-115,829.87

Finding the Fourth Proportional to 415,357.27, 623,026.96 and 115,829.87

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Solution

The fourth proportional to 415,357.27, 623,026.96 and 115,829.87 is: 173,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,357.27 : 623,026.96 = 115,829.87 : x
  2. Step 2: Convert to fraction form
    415,357.27/623,026.96 = 115,829.87/x
  3. Step 3: Cross multiply
    415,357.27x = 623,026.96 × 115,829.87
  4. Step 4: Simplify right side
    415,357.27x = 72,165,128,378.59
  5. Step 5: Solve for x
    x = 72,165,128,378.59/415,357.27
  6. Step 6: Final answer
    x = 173,742.30

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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.