Home / 215,422.96-297,274.08-123,476.32

Finding the Fourth Proportional to 215,422.96, 297,274.08 and 123,476.32

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Solution

The fourth proportional to 215,422.96, 297,274.08 and 123,476.32 is: 170,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,422.96 : 297,274.08 = 123,476.32 : x
  2. Step 2: Convert to fraction form
    215,422.96/297,274.08 = 123,476.32/x
  3. Step 3: Cross multiply
    215,422.96x = 297,274.08 × 123,476.32
  4. Step 4: Simplify right side
    215,422.96x = 36,706,309,429.79
  5. Step 5: Solve for x
    x = 36,706,309,429.79/215,422.96
  6. Step 6: Final answer
    x = 170,391.82

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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.