Home / 361,818.95-542,345.39-121,704.27

Finding the Fourth Proportional to 361,818.95, 542,345.39 and 121,704.27

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Solution

The fourth proportional to 361,818.95, 542,345.39 and 121,704.27 is: 182,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,818.95 : 542,345.39 = 121,704.27 : x
  2. Step 2: Convert to fraction form
    361,818.95/542,345.39 = 121,704.27/x
  3. Step 3: Cross multiply
    361,818.95x = 542,345.39 × 121,704.27
  4. Step 4: Simplify right side
    361,818.95x = 66,005,749,169.29
  5. Step 5: Solve for x
    x = 66,005,749,169.29/361,818.95
  6. Step 6: Final answer
    x = 182,427.57

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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.