Home / 281,434.79-422,024.76-121,435.24

Finding the Fourth Proportional to 281,434.79, 422,024.76 and 121,435.24

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Solution

The fourth proportional to 281,434.79, 422,024.76 and 121,435.24 is: 182,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,434.79 : 422,024.76 = 121,435.24 : x
  2. Step 2: Convert to fraction form
    281,434.79/422,024.76 = 121,435.24/x
  3. Step 3: Cross multiply
    281,434.79x = 422,024.76 × 121,435.24
  4. Step 4: Simplify right side
    281,434.79x = 51,248,678,016.54
  5. Step 5: Solve for x
    x = 51,248,678,016.54/281,434.79
  6. Step 6: Final answer
    x = 182,097.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.