Home / 283,281.16-390,839.76-160,753.24

Finding the Fourth Proportional to 283,281.16, 390,839.76 and 160,753.24

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Solution

The fourth proportional to 283,281.16, 390,839.76 and 160,753.24 is: 221,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,281.16 : 390,839.76 = 160,753.24 : x
  2. Step 2: Convert to fraction form
    283,281.16/390,839.76 = 160,753.24/x
  3. Step 3: Cross multiply
    283,281.16x = 390,839.76 × 160,753.24
  4. Step 4: Simplify right side
    283,281.16x = 62,828,757,740.82
  5. Step 5: Solve for x
    x = 62,828,757,740.82/283,281.16
  6. Step 6: Final answer
    x = 221,789.40

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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.