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Finding the Fourth Proportional to 579,633.85, 869,284.62 and 195,340.86

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Solution

The fourth proportional to 579,633.85, 869,284.62 and 195,340.86 is: 292,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,633.85 : 869,284.62 = 195,340.86 : x
  2. Step 2: Convert to fraction form
    579,633.85/869,284.62 = 195,340.86/x
  3. Step 3: Cross multiply
    579,633.85x = 869,284.62 × 195,340.86
  4. Step 4: Simplify right side
    579,633.85x = 169,806,805,255.57
  5. Step 5: Solve for x
    x = 169,806,805,255.57/579,633.85
  6. Step 6: Final answer
    x = 292,955.29

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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.