Home / 268,381.60-370,401.65-173,165.29

Finding the Fourth Proportional to 268,381.60, 370,401.65 and 173,165.29

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Solution

The fourth proportional to 268,381.60, 370,401.65 and 173,165.29 is: 238,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,381.60 : 370,401.65 = 173,165.29 : x
  2. Step 2: Convert to fraction form
    268,381.60/370,401.65 = 173,165.29/x
  3. Step 3: Cross multiply
    268,381.60x = 370,401.65 × 173,165.29
  4. Step 4: Simplify right side
    268,381.60x = 64,140,708,272.90
  5. Step 5: Solve for x
    x = 64,140,708,272.90/268,381.60
  6. Step 6: Final answer
    x = 238,990.71

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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.