Home / 220,442.04-304,119.50-143,934.71

Finding the Fourth Proportional to 220,442.04, 304,119.50 and 143,934.71

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Solution

The fourth proportional to 220,442.04, 304,119.50 and 143,934.71 is: 198,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,442.04 : 304,119.50 = 143,934.71 : x
  2. Step 2: Convert to fraction form
    220,442.04/304,119.50 = 143,934.71/x
  3. Step 3: Cross multiply
    220,442.04x = 304,119.50 × 143,934.71
  4. Step 4: Simplify right side
    220,442.04x = 43,773,349,797.57
  5. Step 5: Solve for x
    x = 43,773,349,797.57/220,442.04
  6. Step 6: Final answer
    x = 198,570.79

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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.