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Finding the Fourth Proportional to 283,561.17, 425,341.74 and 83,866.02

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Solution

The fourth proportional to 283,561.17, 425,341.74 and 83,866.02 is: 125,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,561.17 : 425,341.74 = 83,866.02 : x
  2. Step 2: Convert to fraction form
    283,561.17/425,341.74 = 83,866.02/x
  3. Step 3: Cross multiply
    283,561.17x = 425,341.74 × 83,866.02
  4. Step 4: Simplify right side
    283,561.17x = 35,671,718,873.67
  5. Step 5: Solve for x
    x = 35,671,718,873.67/283,561.17
  6. Step 6: Final answer
    x = 125,799.03

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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.