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Finding the Fourth Proportional to 467,382, 644,987.16 and 252,522.12

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Solution

The fourth proportional to 467,382, 644,987.16 and 252,522.12 is: 348,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,382 : 644,987.16 = 252,522.12 : x
  2. Step 2: Convert to fraction form
    467,382/644,987.16 = 252,522.12/x
  3. Step 3: Cross multiply
    467,382x = 644,987.16 × 252,522.12
  4. Step 4: Simplify right side
    467,382x = 162,873,525,015.98
  5. Step 5: Solve for x
    x = 162,873,525,015.98/467,382
  6. Step 6: Final answer
    x = 348,480.53

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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.