Home / 480,042.72-720,061.44-195,732.16

Finding the Fourth Proportional to 480,042.72, 720,061.44 and 195,732.16

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Solution

The fourth proportional to 480,042.72, 720,061.44 and 195,732.16 is: 293,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,042.72 : 720,061.44 = 195,732.16 : x
  2. Step 2: Convert to fraction form
    480,042.72/720,061.44 = 195,732.16/x
  3. Step 3: Cross multiply
    480,042.72x = 720,061.44 × 195,732.16
  4. Step 4: Simplify right side
    480,042.72x = 140,939,180,983.91
  5. Step 5: Solve for x
    x = 140,939,180,983.91/480,042.72
  6. Step 6: Final answer
    x = 293,597.16

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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.