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Finding the Fourth Proportional to 330,697.62, 456,364.80 and 194,737.50

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Solution

The fourth proportional to 330,697.62, 456,364.80 and 194,737.50 is: 268,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,697.62 : 456,364.80 = 194,737.50 : x
  2. Step 2: Convert to fraction form
    330,697.62/456,364.80 = 194,737.50/x
  3. Step 3: Cross multiply
    330,697.62x = 456,364.80 × 194,737.50
  4. Step 4: Simplify right side
    330,697.62x = 88,871,340,240
  5. Step 5: Solve for x
    x = 88,871,340,240/330,697.62
  6. Step 6: Final answer
    x = 268,738.98

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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.