Home / 290,030.18-400,244.38-162,708.52

Finding the Fourth Proportional to 290,030.18, 400,244.38 and 162,708.52

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Solution

The fourth proportional to 290,030.18, 400,244.38 and 162,708.52 is: 224,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,030.18 : 400,244.38 = 162,708.52 : x
  2. Step 2: Convert to fraction form
    290,030.18/400,244.38 = 162,708.52/x
  3. Step 3: Cross multiply
    290,030.18x = 400,244.38 × 162,708.52
  4. Step 4: Simplify right side
    290,030.18x = 65,123,170,708.12
  5. Step 5: Solve for x
    x = 65,123,170,708.12/290,030.18
  6. Step 6: Final answer
    x = 224,539.29

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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.