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Finding the Fourth Proportional to 283,521.84, 425,321.64 and 83,857.92

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Solution

The fourth proportional to 283,521.84, 425,321.64 and 83,857.92 is: 125,798.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,521.84 : 425,321.64 = 83,857.92 : x
  2. Step 2: Convert to fraction form
    283,521.84/425,321.64 = 83,857.92/x
  3. Step 3: Cross multiply
    283,521.84x = 425,321.64 × 83,857.92
  4. Step 4: Simplify right side
    283,521.84x = 35,666,588,061.39
  5. Step 5: Solve for x
    x = 35,666,588,061.39/283,521.84
  6. Step 6: Final answer
    x = 125,798.38

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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.