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Finding the Fourth Proportional to 540,007.55, 810,519.80 and 273,959

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Solution

The fourth proportional to 540,007.55, 810,519.80 and 273,959 is: 411,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,007.55 : 810,519.80 = 273,959 : x
  2. Step 2: Convert to fraction form
    540,007.55/810,519.80 = 273,959/x
  3. Step 3: Cross multiply
    540,007.55x = 810,519.80 × 273,959
  4. Step 4: Simplify right side
    540,007.55x = 222,049,193,888.20
  5. Step 5: Solve for x
    x = 222,049,193,888.20/540,007.55
  6. Step 6: Final answer
    x = 411,196.46

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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.