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Finding the Fourth Proportional to 247,941, 342,239.58 and 145,965.24

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Solution

The fourth proportional to 247,941, 342,239.58 and 145,965.24 is: 201,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,941 : 342,239.58 = 145,965.24 : x
  2. Step 2: Convert to fraction form
    247,941/342,239.58 = 145,965.24/x
  3. Step 3: Cross multiply
    247,941x = 342,239.58 × 145,965.24
  4. Step 4: Simplify right side
    247,941x = 49,955,082,432.20
  5. Step 5: Solve for x
    x = 49,955,082,432.20/247,941
  6. Step 6: Final answer
    x = 201,479.72

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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.