Home / 720,150.66-1,080,226.35-187,670.34

Finding the Fourth Proportional to 720,150.66, 1,080,226.35 and 187,670.34

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Solution

The fourth proportional to 720,150.66, 1,080,226.35 and 187,670.34 is: 281,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,150.66 : 1,080,226.35 = 187,670.34 : x
  2. Step 2: Convert to fraction form
    720,150.66/1,080,226.35 = 187,670.34/x
  3. Step 3: Cross multiply
    720,150.66x = 1,080,226.35 × 187,670.34
  4. Step 4: Simplify right side
    720,150.66x = 202,726,446,381.46
  5. Step 5: Solve for x
    x = 202,726,446,381.46/720,150.66
  6. Step 6: Final answer
    x = 281,505.60

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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.