Home / 347,861.83-521,892.38-170,420.80

Finding the Fourth Proportional to 347,861.83, 521,892.38 and 170,420.80

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Solution

The fourth proportional to 347,861.83, 521,892.38 and 170,420.80 is: 255,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,861.83 : 521,892.38 = 170,420.80 : x
  2. Step 2: Convert to fraction form
    347,861.83/521,892.38 = 170,420.80/x
  3. Step 3: Cross multiply
    347,861.83x = 521,892.38 × 170,420.80
  4. Step 4: Simplify right side
    347,861.83x = 88,941,316,913.50
  5. Step 5: Solve for x
    x = 88,941,316,913.50/347,861.83
  6. Step 6: Final answer
    x = 255,680.01

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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.