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Finding the Fourth Proportional to 539,775.60, 809,663.40 and 165,798.60

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Solution

The fourth proportional to 539,775.60, 809,663.40 and 165,798.60 is: 248,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,775.60 : 809,663.40 = 165,798.60 : x
  2. Step 2: Convert to fraction form
    539,775.60/809,663.40 = 165,798.60/x
  3. Step 3: Cross multiply
    539,775.60x = 809,663.40 × 165,798.60
  4. Step 4: Simplify right side
    539,775.60x = 134,241,058,191.24
  5. Step 5: Solve for x
    x = 134,241,058,191.24/539,775.60
  6. Step 6: Final answer
    x = 248,697.90

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Similar ratio
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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.