Home / 283,921.70-425,882.55-213,062.90

Finding the Fourth Proportional to 283,921.70, 425,882.55 and 213,062.90

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Solution

The fourth proportional to 283,921.70, 425,882.55 and 213,062.90 is: 319,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,921.70 : 425,882.55 = 213,062.90 : x
  2. Step 2: Convert to fraction form
    283,921.70/425,882.55 = 213,062.90/x
  3. Step 3: Cross multiply
    283,921.70x = 425,882.55 × 213,062.90
  4. Step 4: Simplify right side
    283,921.70x = 90,739,771,162.40
  5. Step 5: Solve for x
    x = 90,739,771,162.40/283,921.70
  6. Step 6: Final answer
    x = 319,594.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.