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Finding the Fourth Proportional to 389,568.96, 584,615.88 and 152,883.72

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Solution

The fourth proportional to 389,568.96, 584,615.88 and 152,883.72 is: 229,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,568.96 : 584,615.88 = 152,883.72 : x
  2. Step 2: Convert to fraction form
    389,568.96/584,615.88 = 152,883.72/x
  3. Step 3: Cross multiply
    389,568.96x = 584,615.88 × 152,883.72
  4. Step 4: Simplify right side
    389,568.96x = 89,378,250,505.47
  5. Step 5: Solve for x
    x = 89,378,250,505.47/389,568.96
  6. Step 6: Final answer
    x = 229,428.57

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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.