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Finding the Fourth Proportional to 195,465.96, 269,939.52 and 168,457.32

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Solution

The fourth proportional to 195,465.96, 269,939.52 and 168,457.32 is: 232,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,465.96 : 269,939.52 = 168,457.32 : x
  2. Step 2: Convert to fraction form
    195,465.96/269,939.52 = 168,457.32/x
  3. Step 3: Cross multiply
    195,465.96x = 269,939.52 × 168,457.32
  4. Step 4: Simplify right side
    195,465.96x = 45,473,288,101.29
  5. Step 5: Solve for x
    x = 45,473,288,101.29/195,465.96
  6. Step 6: Final answer
    x = 232,640.45

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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.