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Finding the Fourth Proportional to 230,506.84, 318,103.36 and 127,152.90

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Solution

The fourth proportional to 230,506.84, 318,103.36 and 127,152.90 is: 175,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,506.84 : 318,103.36 = 127,152.90 : x
  2. Step 2: Convert to fraction form
    230,506.84/318,103.36 = 127,152.90/x
  3. Step 3: Cross multiply
    230,506.84x = 318,103.36 × 127,152.90
  4. Step 4: Simplify right side
    230,506.84x = 40,447,765,121.10
  5. Step 5: Solve for x
    x = 40,447,765,121.10/230,506.84
  6. Step 6: Final answer
    x = 175,473.17

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1.5x scale

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.