Home / 268,560.40-370,584.30-155,362

Finding the Fourth Proportional to 268,560.40, 370,584.30 and 155,362

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Solution

The fourth proportional to 268,560.40, 370,584.30 and 155,362 is: 214,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,560.40 : 370,584.30 = 155,362 : x
  2. Step 2: Convert to fraction form
    268,560.40/370,584.30 = 155,362/x
  3. Step 3: Cross multiply
    268,560.40x = 370,584.30 × 155,362
  4. Step 4: Simplify right side
    268,560.40x = 57,574,718,016.60
  5. Step 5: Solve for x
    x = 57,574,718,016.60/268,560.40
  6. Step 6: Final answer
    x = 214,382.75

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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.