Home / 281,665.48-420,382.37-243,546.52

Finding the Fourth Proportional to 281,665.48, 420,382.37 and 243,546.52

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Solution

The fourth proportional to 281,665.48, 420,382.37 and 243,546.52 is: 363,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,665.48 : 420,382.37 = 243,546.52 : x
  2. Step 2: Convert to fraction form
    281,665.48/420,382.37 = 243,546.52/x
  3. Step 3: Cross multiply
    281,665.48x = 420,382.37 × 243,546.52
  4. Step 4: Simplify right side
    281,665.48x = 102,382,663,282.85
  5. Step 5: Solve for x
    x = 102,382,663,282.85/281,665.48
  6. Step 6: Final answer
    x = 363,490.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.