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Finding the Fourth Proportional to 247,279.80, 370,919.70 and 158,633.40

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Solution

The fourth proportional to 247,279.80, 370,919.70 and 158,633.40 is: 237,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,279.80 : 370,919.70 = 158,633.40 : x
  2. Step 2: Convert to fraction form
    247,279.80/370,919.70 = 158,633.40/x
  3. Step 3: Cross multiply
    247,279.80x = 370,919.70 × 158,633.40
  4. Step 4: Simplify right side
    247,279.80x = 58,840,253,137.98
  5. Step 5: Solve for x
    x = 58,840,253,137.98/247,279.80
  6. Step 6: Final answer
    x = 237,950.10

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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.