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Finding the Fourth Proportional to 194,611.80, 292,136.40 and 150,434.40

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Solution

The fourth proportional to 194,611.80, 292,136.40 and 150,434.40 is: 225,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,611.80 : 292,136.40 = 150,434.40 : x
  2. Step 2: Convert to fraction form
    194,611.80/292,136.40 = 150,434.40/x
  3. Step 3: Cross multiply
    194,611.80x = 292,136.40 × 150,434.40
  4. Step 4: Simplify right side
    194,611.80x = 43,947,364,052.16
  5. Step 5: Solve for x
    x = 43,947,364,052.16/194,611.80
  6. Step 6: Final answer
    x = 225,820.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.