Home / 215,474.78-297,310.04-124,825.30

Finding the Fourth Proportional to 215,474.78, 297,310.04 and 124,825.30

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Solution

The fourth proportional to 215,474.78, 297,310.04 and 124,825.30 is: 172,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,474.78 : 297,310.04 = 124,825.30 : x
  2. Step 2: Convert to fraction form
    215,474.78/297,310.04 = 124,825.30/x
  3. Step 3: Cross multiply
    215,474.78x = 297,310.04 × 124,825.30
  4. Step 4: Simplify right side
    215,474.78x = 37,111,816,411.22
  5. Step 5: Solve for x
    x = 37,111,816,411.22/215,474.78
  6. Step 6: Final answer
    x = 172,232.76

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1.5x scale

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.