Home / 347,837.20-521,755.80-170,690.20

Finding the Fourth Proportional to 347,837.20, 521,755.80 and 170,690.20

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Solution

The fourth proportional to 347,837.20, 521,755.80 and 170,690.20 is: 256,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,837.20 : 521,755.80 = 170,690.20 : x
  2. Step 2: Convert to fraction form
    347,837.20/521,755.80 = 170,690.20/x
  3. Step 3: Cross multiply
    347,837.20x = 521,755.80 × 170,690.20
  4. Step 4: Simplify right side
    347,837.20x = 89,058,601,853.16
  5. Step 5: Solve for x
    x = 89,058,601,853.16/347,837.20
  6. Step 6: Final answer
    x = 256,035.30

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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.