Home / 283,324.38-390,989.07-162,470.22

Finding the Fourth Proportional to 283,324.38, 390,989.07 and 162,470.22

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Solution

The fourth proportional to 283,324.38, 390,989.07 and 162,470.22 is: 224,209.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,324.38 : 390,989.07 = 162,470.22 : x
  2. Step 2: Convert to fraction form
    283,324.38/390,989.07 = 162,470.22/x
  3. Step 3: Cross multiply
    283,324.38x = 390,989.07 × 162,470.22
  4. Step 4: Simplify right side
    283,324.38x = 63,524,080,220.50
  5. Step 5: Solve for x
    x = 63,524,080,220.50/283,324.38
  6. Step 6: Final answer
    x = 224,209.72

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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.