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Finding the Fourth Proportional to 540,966.63, 811,523.76 and 225,349.72

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Solution

The fourth proportional to 540,966.63, 811,523.76 and 225,349.72 is: 338,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,966.63 : 811,523.76 = 225,349.72 : x
  2. Step 2: Convert to fraction form
    540,966.63/811,523.76 = 225,349.72/x
  3. Step 3: Cross multiply
    540,966.63x = 811,523.76 × 225,349.72
  4. Step 4: Simplify right side
    540,966.63x = 182,876,652,089.35
  5. Step 5: Solve for x
    x = 182,876,652,089.35/540,966.63
  6. Step 6: Final answer
    x = 338,055.33

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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.