Home / 220,089.30-303,179.13-187,718.46

Finding the Fourth Proportional to 220,089.30, 303,179.13 and 187,718.46

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Solution

The fourth proportional to 220,089.30, 303,179.13 and 187,718.46 is: 258,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,089.30 : 303,179.13 = 187,718.46 : x
  2. Step 2: Convert to fraction form
    220,089.30/303,179.13 = 187,718.46/x
  3. Step 3: Cross multiply
    220,089.30x = 303,179.13 × 187,718.46
  4. Step 4: Simplify right side
    220,089.30x = 56,912,319,387.74
  5. Step 5: Solve for x
    x = 56,912,319,387.74/220,089.30
  6. Step 6: Final answer
    x = 258,587.40

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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.