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Finding the Fourth Proportional to 569,689.70, 853,999.95 and 214,942.10

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Solution

The fourth proportional to 569,689.70, 853,999.95 and 214,942.10 is: 322,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,689.70 : 853,999.95 = 214,942.10 : x
  2. Step 2: Convert to fraction form
    569,689.70/853,999.95 = 214,942.10/x
  3. Step 3: Cross multiply
    569,689.70x = 853,999.95 × 214,942.10
  4. Step 4: Simplify right side
    569,689.70x = 183,560,542,652.90
  5. Step 5: Solve for x
    x = 183,560,542,652.90/569,689.70
  6. Step 6: Final answer
    x = 322,211.45

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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.