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Finding the Fourth Proportional to 444,060.48, 612,813.96 and 253,091.64

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Solution

The fourth proportional to 444,060.48, 612,813.96 and 253,091.64 is: 349,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,060.48 : 612,813.96 = 253,091.64 : x
  2. Step 2: Convert to fraction form
    444,060.48/612,813.96 = 253,091.64/x
  3. Step 3: Cross multiply
    444,060.48x = 612,813.96 × 253,091.64
  4. Step 4: Simplify right side
    444,060.48x = 155,098,090,151.29
  5. Step 5: Solve for x
    x = 155,098,090,151.29/444,060.48
  6. Step 6: Final answer
    x = 349,272.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.