Home / 283,021.03-390,572.27-162,159.90

Finding the Fourth Proportional to 283,021.03, 390,572.27 and 162,159.90

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Solution

The fourth proportional to 283,021.03, 390,572.27 and 162,159.90 is: 223,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,021.03 : 390,572.27 = 162,159.90 : x
  2. Step 2: Convert to fraction form
    283,021.03/390,572.27 = 162,159.90/x
  3. Step 3: Cross multiply
    283,021.03x = 390,572.27 × 162,159.90
  4. Step 4: Simplify right side
    283,021.03x = 63,335,160,245.97
  5. Step 5: Solve for x
    x = 63,335,160,245.97/283,021.03
  6. Step 6: Final answer
    x = 223,782.52

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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.