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Finding the Fourth Proportional to 339,030.71, 467,746.21 and 193,732.10

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Solution

The fourth proportional to 339,030.71, 467,746.21 and 193,732.10 is: 267,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,030.71 : 467,746.21 = 193,732.10 : x
  2. Step 2: Convert to fraction form
    339,030.71/467,746.21 = 193,732.10/x
  3. Step 3: Cross multiply
    339,030.71x = 467,746.21 × 193,732.10
  4. Step 4: Simplify right side
    339,030.71x = 90,617,455,530.34
  5. Step 5: Solve for x
    x = 90,617,455,530.34/339,030.71
  6. Step 6: Final answer
    x = 267,283.92

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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.