Home / 400,288.31-552,343.34-239,109.14

Finding the Fourth Proportional to 400,288.31, 552,343.34 and 239,109.14

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Solution

The fourth proportional to 400,288.31, 552,343.34 and 239,109.14 is: 329,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,288.31 : 552,343.34 = 239,109.14 : x
  2. Step 2: Convert to fraction form
    400,288.31/552,343.34 = 239,109.14/x
  3. Step 3: Cross multiply
    400,288.31x = 552,343.34 × 239,109.14
  4. Step 4: Simplify right side
    400,288.31x = 132,070,337,054.87
  5. Step 5: Solve for x
    x = 132,070,337,054.87/400,288.31
  6. Step 6: Final answer
    x = 329,938.04

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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.