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Finding the Fourth Proportional to 338,812.61, 467,576.07 and 202,820.24

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Solution

The fourth proportional to 338,812.61, 467,576.07 and 202,820.24 is: 279,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,812.61 : 467,576.07 = 202,820.24 : x
  2. Step 2: Convert to fraction form
    338,812.61/467,576.07 = 202,820.24/x
  3. Step 3: Cross multiply
    338,812.61x = 467,576.07 × 202,820.24
  4. Step 4: Simplify right side
    338,812.61x = 94,833,891,904.60
  5. Step 5: Solve for x
    x = 94,833,891,904.60/338,812.61
  6. Step 6: Final answer
    x = 279,900.71

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1.5x scale

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.