Home / 347,812.20-521,718.30-170,665.20

Finding the Fourth Proportional to 347,812.20, 521,718.30 and 170,665.20

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Solution

The fourth proportional to 347,812.20, 521,718.30 and 170,665.20 is: 255,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,812.20 : 521,718.30 = 170,665.20 : x
  2. Step 2: Convert to fraction form
    347,812.20/521,718.30 = 170,665.20/x
  3. Step 3: Cross multiply
    347,812.20x = 521,718.30 × 170,665.20
  4. Step 4: Simplify right side
    347,812.20x = 89,039,158,013.16
  5. Step 5: Solve for x
    x = 89,039,158,013.16/347,812.20
  6. Step 6: Final answer
    x = 255,997.80

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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.