Home / 268,821.54-403,323.03-119,041.20

Finding the Fourth Proportional to 268,821.54, 403,323.03 and 119,041.20

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Solution

The fourth proportional to 268,821.54, 403,323.03 and 119,041.20 is: 178,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,821.54 : 403,323.03 = 119,041.20 : x
  2. Step 2: Convert to fraction form
    268,821.54/403,323.03 = 119,041.20/x
  3. Step 3: Cross multiply
    268,821.54x = 403,323.03 × 119,041.20
  4. Step 4: Simplify right side
    268,821.54x = 48,012,057,478.84
  5. Step 5: Solve for x
    x = 48,012,057,478.84/268,821.54
  6. Step 6: Final answer
    x = 178,601.97

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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.