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Finding the Fourth Proportional to 153,962, 230,949.72 and 48,788.72

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Solution

The fourth proportional to 153,962, 230,949.72 and 48,788.72 is: 73,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,962 : 230,949.72 = 48,788.72 : x
  2. Step 2: Convert to fraction form
    153,962/230,949.72 = 48,788.72/x
  3. Step 3: Cross multiply
    153,962x = 230,949.72 × 48,788.72
  4. Step 4: Simplify right side
    153,962x = 11,267,741,223.16
  5. Step 5: Solve for x
    x = 11,267,741,223.16/153,962
  6. Step 6: Final answer
    x = 73,185.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.