Home / 268,912.44-403,365.02-91,543.10

Finding the Fourth Proportional to 268,912.44, 403,365.02 and 91,543.10

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Solution

The fourth proportional to 268,912.44, 403,365.02 and 91,543.10 is: 137,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,912.44 : 403,365.02 = 91,543.10 : x
  2. Step 2: Convert to fraction form
    268,912.44/403,365.02 = 91,543.10/x
  3. Step 3: Cross multiply
    268,912.44x = 403,365.02 × 91,543.10
  4. Step 4: Simplify right side
    268,912.44x = 36,925,281,887.82
  5. Step 5: Solve for x
    x = 36,925,281,887.82/268,912.44
  6. Step 6: Final answer
    x = 137,313.40

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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.