Home / 251,631.64-377,447.44-172,505.96

Finding the Fourth Proportional to 251,631.64, 377,447.44 and 172,505.96

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Solution

The fourth proportional to 251,631.64, 377,447.44 and 172,505.96 is: 258,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,631.64 : 377,447.44 = 172,505.96 : x
  2. Step 2: Convert to fraction form
    251,631.64/377,447.44 = 172,505.96/x
  3. Step 3: Cross multiply
    251,631.64x = 377,447.44 × 172,505.96
  4. Step 4: Simplify right side
    251,631.64x = 65,111,932,986.74
  5. Step 5: Solve for x
    x = 65,111,932,986.74/251,631.64
  6. Step 6: Final answer
    x = 258,758.93

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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.