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Finding the Fourth Proportional to 230,544, 318,150.72 and 124,560

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Solution

The fourth proportional to 230,544, 318,150.72 and 124,560 is: 171,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,544 : 318,150.72 = 124,560 : x
  2. Step 2: Convert to fraction form
    230,544/318,150.72 = 124,560/x
  3. Step 3: Cross multiply
    230,544x = 318,150.72 × 124,560
  4. Step 4: Simplify right side
    230,544x = 39,628,853,683.20
  5. Step 5: Solve for x
    x = 39,628,853,683.20/230,544
  6. Step 6: Final answer
    x = 171,892.80

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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.