Home / 283,138.16-390,747.51-162,287.26

Finding the Fourth Proportional to 283,138.16, 390,747.51 and 162,287.26

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Solution

The fourth proportional to 283,138.16, 390,747.51 and 162,287.26 is: 223,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,138.16 : 390,747.51 = 162,287.26 : x
  2. Step 2: Convert to fraction form
    283,138.16/390,747.51 = 162,287.26/x
  3. Step 3: Cross multiply
    283,138.16x = 390,747.51 × 162,287.26
  4. Step 4: Simplify right side
    283,138.16x = 63,413,341,772.85
  5. Step 5: Solve for x
    x = 63,413,341,772.85/283,138.16
  6. Step 6: Final answer
    x = 223,966.08

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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.