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Finding the Fourth Proportional to 247,499, 341,548.76 and 134,321.72

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Solution

The fourth proportional to 247,499, 341,548.76 and 134,321.72 is: 185,364.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,499 : 341,548.76 = 134,321.72 : x
  2. Step 2: Convert to fraction form
    247,499/341,548.76 = 134,321.72/x
  3. Step 3: Cross multiply
    247,499x = 341,548.76 × 134,321.72
  4. Step 4: Simplify right side
    247,499x = 45,877,416,907.07
  5. Step 5: Solve for x
    x = 45,877,416,907.07/247,499
  6. Step 6: Final answer
    x = 185,364.05

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1.5x scale

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.