Home / 215,504.02-297,376.50-124,831

Finding the Fourth Proportional to 215,504.02, 297,376.50 and 124,831

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Solution

The fourth proportional to 215,504.02, 297,376.50 and 124,831 is: 172,255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,504.02 : 297,376.50 = 124,831 : x
  2. Step 2: Convert to fraction form
    215,504.02/297,376.50 = 124,831/x
  3. Step 3: Cross multiply
    215,504.02x = 297,376.50 × 124,831
  4. Step 4: Simplify right side
    215,504.02x = 37,121,805,871.50
  5. Step 5: Solve for x
    x = 37,121,805,871.50/215,504.02
  6. Step 6: Final answer
    x = 172,255.75

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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.