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Finding the Fourth Proportional to 552,808.82, 829,210.50 and 215,883.70

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Solution

The fourth proportional to 552,808.82, 829,210.50 and 215,883.70 is: 323,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,808.82 : 829,210.50 = 215,883.70 : x
  2. Step 2: Convert to fraction form
    552,808.82/829,210.50 = 215,883.70/x
  3. Step 3: Cross multiply
    552,808.82x = 829,210.50 × 215,883.70
  4. Step 4: Simplify right side
    552,808.82x = 179,013,030,818.85
  5. Step 5: Solve for x
    x = 179,013,030,818.85/552,808.82
  6. Step 6: Final answer
    x = 323,824.48

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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.