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Finding the Fourth Proportional to 315,333.27, 435,169.44 and 179,386.71

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Solution

The fourth proportional to 315,333.27, 435,169.44 and 179,386.71 is: 247,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,333.27 : 435,169.44 = 179,386.71 : x
  2. Step 2: Convert to fraction form
    315,333.27/435,169.44 = 179,386.71/x
  3. Step 3: Cross multiply
    315,333.27x = 435,169.44 × 179,386.71
  4. Step 4: Simplify right side
    315,333.27x = 78,063,614,134.14
  5. Step 5: Solve for x
    x = 78,063,614,134.14/315,333.27
  6. Step 6: Final answer
    x = 247,559.08

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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.