Home / 352,787.50-486,846.75-193,811.50

Finding the Fourth Proportional to 352,787.50, 486,846.75 and 193,811.50

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Solution

The fourth proportional to 352,787.50, 486,846.75 and 193,811.50 is: 267,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,787.50 : 486,846.75 = 193,811.50 : x
  2. Step 2: Convert to fraction form
    352,787.50/486,846.75 = 193,811.50/x
  3. Step 3: Cross multiply
    352,787.50x = 486,846.75 × 193,811.50
  4. Step 4: Simplify right side
    352,787.50x = 94,356,498,887.63
  5. Step 5: Solve for x
    x = 94,356,498,887.63/352,787.50
  6. Step 6: Final answer
    x = 267,459.87

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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.