Home / 268,505.28-370,527.62-147,645.45

Finding the Fourth Proportional to 268,505.28, 370,527.62 and 147,645.45

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Solution

The fourth proportional to 268,505.28, 370,527.62 and 147,645.45 is: 203,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,505.28 : 370,527.62 = 147,645.45 : x
  2. Step 2: Convert to fraction form
    268,505.28/370,527.62 = 147,645.45/x
  3. Step 3: Cross multiply
    268,505.28x = 370,527.62 × 147,645.45
  4. Step 4: Simplify right side
    268,505.28x = 54,706,716,454.10
  5. Step 5: Solve for x
    x = 54,706,716,454.10/268,505.28
  6. Step 6: Final answer
    x = 203,745.40

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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.