Home / 400,065.20-552,142.20-230,306.48

Finding the Fourth Proportional to 400,065.20, 552,142.20 and 230,306.48

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Solution

The fourth proportional to 400,065.20, 552,142.20 and 230,306.48 is: 317,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,065.20 : 552,142.20 = 230,306.48 : x
  2. Step 2: Convert to fraction form
    400,065.20/552,142.20 = 230,306.48/x
  3. Step 3: Cross multiply
    400,065.20x = 552,142.20 × 230,306.48
  4. Step 4: Simplify right side
    400,065.20x = 127,161,926,541.46
  5. Step 5: Solve for x
    x = 127,161,926,541.46/400,065.20
  6. Step 6: Final answer
    x = 317,853.01

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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.