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Finding the Fourth Proportional to 293,312.97, 439,960.01 and 93,645.54

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Solution

The fourth proportional to 293,312.97, 439,960.01 and 93,645.54 is: 140,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,312.97 : 439,960.01 = 93,645.54 : x
  2. Step 2: Convert to fraction form
    293,312.97/439,960.01 = 93,645.54/x
  3. Step 3: Cross multiply
    293,312.97x = 439,960.01 × 93,645.54
  4. Step 4: Simplify right side
    293,312.97x = 41,200,292,246.63
  5. Step 5: Solve for x
    x = 41,200,292,246.63/293,312.97
  6. Step 6: Final answer
    x = 140,465.29

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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.