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Finding the Fourth Proportional to 247,478.76, 341,520.93 and 134,301.51

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Solution

The fourth proportional to 247,478.76, 341,520.93 and 134,301.51 is: 185,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,478.76 : 341,520.93 = 134,301.51 : x
  2. Step 2: Convert to fraction form
    247,478.76/341,520.93 = 134,301.51/x
  3. Step 3: Cross multiply
    247,478.76x = 341,520.93 × 134,301.51
  4. Step 4: Simplify right side
    247,478.76x = 45,866,776,595.60
  5. Step 5: Solve for x
    x = 45,866,776,595.60/247,478.76
  6. Step 6: Final answer
    x = 185,336.21

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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.