Home / 247,787.63-341,919.50-137,403.50

Finding the Fourth Proportional to 247,787.63, 341,919.50 and 137,403.50

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Solution

The fourth proportional to 247,787.63, 341,919.50 and 137,403.50 is: 189,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,787.63 : 341,919.50 = 137,403.50 : x
  2. Step 2: Convert to fraction form
    247,787.63/341,919.50 = 137,403.50/x
  3. Step 3: Cross multiply
    247,787.63x = 341,919.50 × 137,403.50
  4. Step 4: Simplify right side
    247,787.63x = 46,980,936,018.25
  5. Step 5: Solve for x
    x = 46,980,936,018.25/247,787.63
  6. Step 6: Final answer
    x = 189,601.62

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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.