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Finding the Fourth Proportional to 154,000.80, 230,979.60 and 48,830.40

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Solution

The fourth proportional to 154,000.80, 230,979.60 and 48,830.40 is: 73,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,000.80 : 230,979.60 = 48,830.40 : x
  2. Step 2: Convert to fraction form
    154,000.80/230,979.60 = 48,830.40/x
  3. Step 3: Cross multiply
    154,000.80x = 230,979.60 × 48,830.40
  4. Step 4: Simplify right side
    154,000.80x = 11,278,826,259.84
  5. Step 5: Solve for x
    x = 11,278,826,259.84/154,000.80
  6. Step 6: Final answer
    x = 73,238.75

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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.