Home / 207,710.41-311,565.62-49,938.86

Finding the Fourth Proportional to 207,710.41, 311,565.62 and 49,938.86

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Solution

The fourth proportional to 207,710.41, 311,565.62 and 49,938.86 is: 74,908.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,710.41 : 311,565.62 = 49,938.86 : x
  2. Step 2: Convert to fraction form
    207,710.41/311,565.62 = 49,938.86/x
  3. Step 3: Cross multiply
    207,710.41x = 311,565.62 × 49,938.86
  4. Step 4: Simplify right side
    207,710.41x = 15,559,232,407.21
  5. Step 5: Solve for x
    x = 15,559,232,407.21/207,710.41
  6. Step 6: Final answer
    x = 74,908.29

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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.