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Finding the Fourth Proportional to 247,601.10, 341,690.92 and 145,630.86

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Solution

The fourth proportional to 247,601.10, 341,690.92 and 145,630.86 is: 200,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,601.10 : 341,690.92 = 145,630.86 : x
  2. Step 2: Convert to fraction form
    247,601.10/341,690.92 = 145,630.86/x
  3. Step 3: Cross multiply
    247,601.10x = 341,690.92 × 145,630.86
  4. Step 4: Simplify right side
    247,601.10x = 49,760,742,533.79
  5. Step 5: Solve for x
    x = 49,760,742,533.79/247,601.10
  6. Step 6: Final answer
    x = 200,971.41

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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.