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Finding the Fourth Proportional to 449,496, 620,304.48 and 248,292

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Solution

The fourth proportional to 449,496, 620,304.48 and 248,292 is: 342,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,496 : 620,304.48 = 248,292 : x
  2. Step 2: Convert to fraction form
    449,496/620,304.48 = 248,292/x
  3. Step 3: Cross multiply
    449,496x = 620,304.48 × 248,292
  4. Step 4: Simplify right side
    449,496x = 154,016,639,948.16
  5. Step 5: Solve for x
    x = 154,016,639,948.16/449,496
  6. Step 6: Final answer
    x = 342,642.96

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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.