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Finding the Fourth Proportional to 343,012.68, 473,374.38 and 207,044.46

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Solution

The fourth proportional to 343,012.68, 473,374.38 and 207,044.46 is: 285,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,012.68 : 473,374.38 = 207,044.46 : x
  2. Step 2: Convert to fraction form
    343,012.68/473,374.38 = 207,044.46/x
  3. Step 3: Cross multiply
    343,012.68x = 473,374.38 × 207,044.46
  4. Step 4: Simplify right side
    343,012.68x = 98,009,542,884.93
  5. Step 5: Solve for x
    x = 98,009,542,884.93/343,012.68
  6. Step 6: Final answer
    x = 285,731.54

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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.