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Finding the Fourth Proportional to 240,376.98, 331,720.20 and 131,482.20

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Solution

The fourth proportional to 240,376.98, 331,720.20 and 131,482.20 is: 181,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,376.98 : 331,720.20 = 131,482.20 : x
  2. Step 2: Convert to fraction form
    240,376.98/331,720.20 = 131,482.20/x
  3. Step 3: Cross multiply
    240,376.98x = 331,720.20 × 131,482.20
  4. Step 4: Simplify right side
    240,376.98x = 43,615,301,680.44
  5. Step 5: Solve for x
    x = 43,615,301,680.44/240,376.98
  6. Step 6: Final answer
    x = 181,445.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.