Home / 310,367.38-465,541.83-85,741.33

Finding the Fourth Proportional to 310,367.38, 465,541.83 and 85,741.33

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Solution

The fourth proportional to 310,367.38, 465,541.83 and 85,741.33 is: 128,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,367.38 : 465,541.83 = 85,741.33 : x
  2. Step 2: Convert to fraction form
    310,367.38/465,541.83 = 85,741.33/x
  3. Step 3: Cross multiply
    310,367.38x = 465,541.83 × 85,741.33
  4. Step 4: Simplify right side
    310,367.38x = 39,916,175,674.83
  5. Step 5: Solve for x
    x = 39,916,175,674.83/310,367.38
  6. Step 6: Final answer
    x = 128,609.44

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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.