Home / 330,878.32-456,693.20-187,722.16

Finding the Fourth Proportional to 330,878.32, 456,693.20 and 187,722.16

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Solution

The fourth proportional to 330,878.32, 456,693.20 and 187,722.16 is: 259,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,878.32 : 456,693.20 = 187,722.16 : x
  2. Step 2: Convert to fraction form
    330,878.32/456,693.20 = 187,722.16/x
  3. Step 3: Cross multiply
    330,878.32x = 456,693.20 × 187,722.16
  4. Step 4: Simplify right side
    330,878.32x = 85,731,433,961.31
  5. Step 5: Solve for x
    x = 85,731,433,961.31/330,878.32
  6. Step 6: Final answer
    x = 259,102.60

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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.