Home / 283,272.11-390,938.37-162,424.64

Finding the Fourth Proportional to 283,272.11, 390,938.37 and 162,424.64

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Solution

The fourth proportional to 283,272.11, 390,938.37 and 162,424.64 is: 224,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,272.11 : 390,938.37 = 162,424.64 : x
  2. Step 2: Convert to fraction form
    283,272.11/390,938.37 = 162,424.64/x
  3. Step 3: Cross multiply
    283,272.11x = 390,938.37 × 162,424.64
  4. Step 4: Simplify right side
    283,272.11x = 63,498,023,197.31
  5. Step 5: Solve for x
    x = 63,498,023,197.31/283,272.11
  6. Step 6: Final answer
    x = 224,159.11

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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.