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Finding the Fourth Proportional to 283,554.88, 425,332.34 and 83,859.72

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Solution

The fourth proportional to 283,554.88, 425,332.34 and 83,859.72 is: 125,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,554.88 : 425,332.34 = 83,859.72 : x
  2. Step 2: Convert to fraction form
    283,554.88/425,332.34 = 83,859.72/x
  3. Step 3: Cross multiply
    283,554.88x = 425,332.34 × 83,859.72
  4. Step 4: Simplify right side
    283,554.88x = 35,668,250,939.34
  5. Step 5: Solve for x
    x = 35,668,250,939.34/283,554.88
  6. Step 6: Final answer
    x = 125,789.59

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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.