Home / 268,382.10-370,402.34-173,165.79

Finding the Fourth Proportional to 268,382.10, 370,402.34 and 173,165.79

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Solution

The fourth proportional to 268,382.10, 370,402.34 and 173,165.79 is: 238,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,382.10 : 370,402.34 = 173,165.79 : x
  2. Step 2: Convert to fraction form
    268,382.10/370,402.34 = 173,165.79/x
  3. Step 3: Cross multiply
    268,382.10x = 370,402.34 × 173,165.79
  4. Step 4: Simplify right side
    268,382.10x = 64,141,012,958.12
  5. Step 5: Solve for x
    x = 64,141,012,958.12/268,382.10
  6. Step 6: Final answer
    x = 238,991.40

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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.