Home / 247,620.45-341,719.98-134,443.20

Finding the Fourth Proportional to 247,620.45, 341,719.98 and 134,443.20

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Solution

The fourth proportional to 247,620.45, 341,719.98 and 134,443.20 is: 185,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,620.45 : 341,719.98 = 134,443.20 : x
  2. Step 2: Convert to fraction form
    247,620.45/341,719.98 = 134,443.20/x
  3. Step 3: Cross multiply
    247,620.45x = 341,719.98 × 134,443.20
  4. Step 4: Simplify right side
    247,620.45x = 45,941,927,615.14
  5. Step 5: Solve for x
    x = 45,941,927,615.14/247,620.45
  6. Step 6: Final answer
    x = 185,533.66

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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.