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Finding the Fourth Proportional to 230,496, 318,084.48 and 124,512

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Solution

The fourth proportional to 230,496, 318,084.48 and 124,512 is: 171,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,496 : 318,084.48 = 124,512 : x
  2. Step 2: Convert to fraction form
    230,496/318,084.48 = 124,512/x
  3. Step 3: Cross multiply
    230,496x = 318,084.48 × 124,512
  4. Step 4: Simplify right side
    230,496x = 39,605,334,773.76
  5. Step 5: Solve for x
    x = 39,605,334,773.76/230,496
  6. Step 6: Final answer
    x = 171,826.56

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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.