Home / 215,417.06-297,265.95-123,470.44

Finding the Fourth Proportional to 215,417.06, 297,265.95 and 123,470.44

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Solution

The fourth proportional to 215,417.06, 297,265.95 and 123,470.44 is: 170,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,417.06 : 297,265.95 = 123,470.44 : x
  2. Step 2: Convert to fraction form
    215,417.06/297,265.95 = 123,470.44/x
  3. Step 3: Cross multiply
    215,417.06x = 297,265.95 × 123,470.44
  4. Step 4: Simplify right side
    215,417.06x = 36,703,557,643.52
  5. Step 5: Solve for x
    x = 36,703,557,643.52/215,417.06
  6. Step 6: Final answer
    x = 170,383.71

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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.