Home / 282,540.24-390,016.60-169,341.12

Finding the Fourth Proportional to 282,540.24, 390,016.60 and 169,341.12

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Solution

The fourth proportional to 282,540.24, 390,016.60 and 169,341.12 is: 233,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,540.24 : 390,016.60 = 169,341.12 : x
  2. Step 2: Convert to fraction form
    282,540.24/390,016.60 = 169,341.12/x
  3. Step 3: Cross multiply
    282,540.24x = 390,016.60 × 169,341.12
  4. Step 4: Simplify right side
    282,540.24x = 66,045,847,862.59
  5. Step 5: Solve for x
    x = 66,045,847,862.59/282,540.24
  6. Step 6: Final answer
    x = 233,757.31

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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.