Home / 268,735.68-403,187.76-111,038.40

Finding the Fourth Proportional to 268,735.68, 403,187.76 and 111,038.40

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Solution

The fourth proportional to 268,735.68, 403,187.76 and 111,038.40 is: 166,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,735.68 : 403,187.76 = 111,038.40 : x
  2. Step 2: Convert to fraction form
    268,735.68/403,187.76 = 111,038.40/x
  3. Step 3: Cross multiply
    268,735.68x = 403,187.76 × 111,038.40
  4. Step 4: Simplify right side
    268,735.68x = 44,769,323,769.98
  5. Step 5: Solve for x
    x = 44,769,323,769.98/268,735.68
  6. Step 6: Final answer
    x = 166,592.41

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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.