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Finding the Fourth Proportional to 309,449.99, 464,179.07 and 99,087.93

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Solution

The fourth proportional to 309,449.99, 464,179.07 and 99,087.93 is: 148,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,449.99 : 464,179.07 = 99,087.93 : x
  2. Step 2: Convert to fraction form
    309,449.99/464,179.07 = 99,087.93/x
  3. Step 3: Cross multiply
    309,449.99x = 464,179.07 × 99,087.93
  4. Step 4: Simplify right side
    309,449.99x = 45,994,543,195.63
  5. Step 5: Solve for x
    x = 45,994,543,195.63/309,449.99
  6. Step 6: Final answer
    x = 148,633.20

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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.