Home / 400,429.08-552,715.14-230,776.20

Finding the Fourth Proportional to 400,429.08, 552,715.14 and 230,776.20

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Solution

The fourth proportional to 400,429.08, 552,715.14 and 230,776.20 is: 318,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,429.08 : 552,715.14 = 230,776.20 : x
  2. Step 2: Convert to fraction form
    400,429.08/552,715.14 = 230,776.20/x
  3. Step 3: Cross multiply
    400,429.08x = 552,715.14 × 230,776.20
  4. Step 4: Simplify right side
    400,429.08x = 127,553,499,691.67
  5. Step 5: Solve for x
    x = 127,553,499,691.67/400,429.08
  6. Step 6: Final answer
    x = 318,542.05

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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.