Home / 642,125.20-962,496.60-242,611.60

Finding the Fourth Proportional to 642,125.20, 962,496.60 and 242,611.60

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Solution

The fourth proportional to 642,125.20, 962,496.60 and 242,611.60 is: 363,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,125.20 : 962,496.60 = 242,611.60 : x
  2. Step 2: Convert to fraction form
    642,125.20/962,496.60 = 242,611.60/x
  3. Step 3: Cross multiply
    642,125.20x = 962,496.60 × 242,611.60
  4. Step 4: Simplify right side
    642,125.20x = 233,512,840,120.56
  5. Step 5: Solve for x
    x = 233,512,840,120.56/642,125.20
  6. Step 6: Final answer
    x = 363,656.25

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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.