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Finding the Fourth Proportional to 99,994.40, 150,008.40 and 29,880.80

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Solution

The fourth proportional to 99,994.40, 150,008.40 and 29,880.80 is: 44,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,994.40 : 150,008.40 = 29,880.80 : x
  2. Step 2: Convert to fraction form
    99,994.40/150,008.40 = 29,880.80/x
  3. Step 3: Cross multiply
    99,994.40x = 150,008.40 × 29,880.80
  4. Step 4: Simplify right side
    99,994.40x = 4,482,370,998.72
  5. Step 5: Solve for x
    x = 4,482,370,998.72/99,994.40
  6. Step 6: Final answer
    x = 44,826.22

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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.