Home / 207,004.05-310,505.40-57,243.96

Finding the Fourth Proportional to 207,004.05, 310,505.40 and 57,243.96

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Solution

The fourth proportional to 207,004.05, 310,505.40 and 57,243.96 is: 85,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,004.05 : 310,505.40 = 57,243.96 : x
  2. Step 2: Convert to fraction form
    207,004.05/310,505.40 = 57,243.96/x
  3. Step 3: Cross multiply
    207,004.05x = 310,505.40 × 57,243.96
  4. Step 4: Simplify right side
    207,004.05x = 17,774,558,697.38
  5. Step 5: Solve for x
    x = 17,774,558,697.38/207,004.05
  6. Step 6: Final answer
    x = 85,865.75

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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.