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Finding the Fourth Proportional to 247,041.84, 340,923.96 and 151,601.16

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Solution

The fourth proportional to 247,041.84, 340,923.96 and 151,601.16 is: 209,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,041.84 : 340,923.96 = 151,601.16 : x
  2. Step 2: Convert to fraction form
    247,041.84/340,923.96 = 151,601.16/x
  3. Step 3: Cross multiply
    247,041.84x = 340,923.96 × 151,601.16
  4. Step 4: Simplify right side
    247,041.84x = 51,684,467,807.79
  5. Step 5: Solve for x
    x = 51,684,467,807.79/247,041.84
  6. Step 6: Final answer
    x = 209,213.42

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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.