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Finding the Fourth Proportional to 298,476.84, 411,831.36 and 250,273.74

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Solution

The fourth proportional to 298,476.84, 411,831.36 and 250,273.74 is: 345,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,476.84 : 411,831.36 = 250,273.74 : x
  2. Step 2: Convert to fraction form
    298,476.84/411,831.36 = 250,273.74/x
  3. Step 3: Cross multiply
    298,476.84x = 411,831.36 × 250,273.74
  4. Step 4: Simplify right side
    298,476.84x = 103,070,574,716.49
  5. Step 5: Solve for x
    x = 103,070,574,716.49/298,476.84
  6. Step 6: Final answer
    x = 345,321.85

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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.