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Finding the Fourth Proportional to 265,999.24, 367,078.80 and 170,505.87

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Solution

The fourth proportional to 265,999.24, 367,078.80 and 170,505.87 is: 235,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,999.24 : 367,078.80 = 170,505.87 : x
  2. Step 2: Convert to fraction form
    265,999.24/367,078.80 = 170,505.87/x
  3. Step 3: Cross multiply
    265,999.24x = 367,078.80 × 170,505.87
  4. Step 4: Simplify right side
    265,999.24x = 62,589,090,152.56
  5. Step 5: Solve for x
    x = 62,589,090,152.56/265,999.24
  6. Step 6: Final answer
    x = 235,298.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.