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Finding the Fourth Proportional to 569,299.80, 853,840.35 and 169,953.60

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Solution

The fourth proportional to 569,299.80, 853,840.35 and 169,953.60 is: 254,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,299.80 : 853,840.35 = 169,953.60 : x
  2. Step 2: Convert to fraction form
    569,299.80/853,840.35 = 169,953.60/x
  3. Step 3: Cross multiply
    569,299.80x = 853,840.35 × 169,953.60
  4. Step 4: Simplify right side
    569,299.80x = 145,113,241,307.76
  5. Step 5: Solve for x
    x = 145,113,241,307.76/569,299.80
  6. Step 6: Final answer
    x = 254,897.76

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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.