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Finding the Fourth Proportional to 539,055.60, 808,583.40 and 165,078.60

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Solution

The fourth proportional to 539,055.60, 808,583.40 and 165,078.60 is: 247,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,055.60 : 808,583.40 = 165,078.60 : x
  2. Step 2: Convert to fraction form
    539,055.60/808,583.40 = 165,078.60/x
  3. Step 3: Cross multiply
    539,055.60x = 808,583.40 × 165,078.60
  4. Step 4: Simplify right side
    539,055.60x = 133,479,815,655.24
  5. Step 5: Solve for x
    x = 133,479,815,655.24/539,055.60
  6. Step 6: Final answer
    x = 247,617.90

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Similar ratio
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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.