Home / 362,143.20-543,214.80-268,831.20

Finding the Fourth Proportional to 362,143.20, 543,214.80 and 268,831.20

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Solution

The fourth proportional to 362,143.20, 543,214.80 and 268,831.20 is: 403,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,143.20 : 543,214.80 = 268,831.20 : x
  2. Step 2: Convert to fraction form
    362,143.20/543,214.80 = 268,831.20/x
  3. Step 3: Cross multiply
    362,143.20x = 543,214.80 × 268,831.20
  4. Step 4: Simplify right side
    362,143.20x = 146,033,086,541.76
  5. Step 5: Solve for x
    x = 146,033,086,541.76/362,143.20
  6. Step 6: Final answer
    x = 403,246.80

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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.