Home / 220,320.38-304,043.94-119,718.38

Finding the Fourth Proportional to 220,320.38, 304,043.94 and 119,718.38

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Solution

The fourth proportional to 220,320.38, 304,043.94 and 119,718.38 is: 165,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,320.38 : 304,043.94 = 119,718.38 : x
  2. Step 2: Convert to fraction form
    220,320.38/304,043.94 = 119,718.38/x
  3. Step 3: Cross multiply
    220,320.38x = 304,043.94 × 119,718.38
  4. Step 4: Simplify right side
    220,320.38x = 36,399,646,425.40
  5. Step 5: Solve for x
    x = 36,399,646,425.40/220,320.38
  6. Step 6: Final answer
    x = 165,212.35

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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.