Home / 296,739.28-445,176.76-99,747.28

Finding the Fourth Proportional to 296,739.28, 445,176.76 and 99,747.28

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Solution

The fourth proportional to 296,739.28, 445,176.76 and 99,747.28 is: 149,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,739.28 : 445,176.76 = 99,747.28 : x
  2. Step 2: Convert to fraction form
    296,739.28/445,176.76 = 99,747.28/x
  3. Step 3: Cross multiply
    296,739.28x = 445,176.76 × 99,747.28
  4. Step 4: Simplify right side
    296,739.28x = 44,405,170,929.21
  5. Step 5: Solve for x
    x = 44,405,170,929.21/296,739.28
  6. Step 6: Final answer
    x = 149,643.72

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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.