Home / 268,835.37-403,254.18-108,914.40

Finding the Fourth Proportional to 268,835.37, 403,254.18 and 108,914.40

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Solution

The fourth proportional to 268,835.37, 403,254.18 and 108,914.40 is: 163,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,835.37 : 403,254.18 = 108,914.40 : x
  2. Step 2: Convert to fraction form
    268,835.37/403,254.18 = 108,914.40/x
  3. Step 3: Cross multiply
    268,835.37x = 403,254.18 × 108,914.40
  4. Step 4: Simplify right side
    268,835.37x = 43,920,187,062.19
  5. Step 5: Solve for x
    x = 43,920,187,062.19/268,835.37
  6. Step 6: Final answer
    x = 163,372.06

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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.