Home / 302,721.20-454,081.80-162,753.20

Finding the Fourth Proportional to 302,721.20, 454,081.80 and 162,753.20

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Solution

The fourth proportional to 302,721.20, 454,081.80 and 162,753.20 is: 244,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,721.20 : 454,081.80 = 162,753.20 : x
  2. Step 2: Convert to fraction form
    302,721.20/454,081.80 = 162,753.20/x
  3. Step 3: Cross multiply
    302,721.20x = 454,081.80 × 162,753.20
  4. Step 4: Simplify right side
    302,721.20x = 73,903,266,011.76
  5. Step 5: Solve for x
    x = 73,903,266,011.76/302,721.20
  6. Step 6: Final answer
    x = 244,129.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.