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Finding the Fourth Proportional to 296,449.40, 444,674.10 and 96,776.30

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Solution

The fourth proportional to 296,449.40, 444,674.10 and 96,776.30 is: 145,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,449.40 : 444,674.10 = 96,776.30 : x
  2. Step 2: Convert to fraction form
    296,449.40/444,674.10 = 96,776.30/x
  3. Step 3: Cross multiply
    296,449.40x = 444,674.10 × 96,776.30
  4. Step 4: Simplify right side
    296,449.40x = 43,033,914,103.83
  5. Step 5: Solve for x
    x = 43,033,914,103.83/296,449.40
  6. Step 6: Final answer
    x = 145,164.45

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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.