Home / 354,261.40-531,392.67-107,787.17

Finding the Fourth Proportional to 354,261.40, 531,392.67 and 107,787.17

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Solution

The fourth proportional to 354,261.40, 531,392.67 and 107,787.17 is: 161,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,261.40 : 531,392.67 = 107,787.17 : x
  2. Step 2: Convert to fraction form
    354,261.40/531,392.67 = 107,787.17/x
  3. Step 3: Cross multiply
    354,261.40x = 531,392.67 × 107,787.17
  4. Step 4: Simplify right side
    354,261.40x = 57,277,313,386.53
  5. Step 5: Solve for x
    x = 57,277,313,386.53/354,261.40
  6. Step 6: Final answer
    x = 161,680.93

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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.