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Finding the Fourth Proportional to 539,999.80, 809,844.90 and 160,904.68

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Solution

The fourth proportional to 539,999.80, 809,844.90 and 160,904.68 is: 241,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,999.80 : 809,844.90 = 160,904.68 : x
  2. Step 2: Convert to fraction form
    539,999.80/809,844.90 = 160,904.68/x
  3. Step 3: Cross multiply
    539,999.80x = 809,844.90 × 160,904.68
  4. Step 4: Simplify right side
    539,999.80x = 130,307,834,484.13
  5. Step 5: Solve for x
    x = 130,307,834,484.13/539,999.80
  6. Step 6: Final answer
    x = 241,310.89

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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.