Home / 209,962.25-314,944.53-52,190.71

Finding the Fourth Proportional to 209,962.25, 314,944.53 and 52,190.71

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Solution

The fourth proportional to 209,962.25, 314,944.53 and 52,190.71 is: 78,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,962.25 : 314,944.53 = 52,190.71 : x
  2. Step 2: Convert to fraction form
    209,962.25/314,944.53 = 52,190.71/x
  3. Step 3: Cross multiply
    209,962.25x = 314,944.53 × 52,190.71
  4. Step 4: Simplify right side
    209,962.25x = 16,437,177,056.59
  5. Step 5: Solve for x
    x = 16,437,177,056.59/209,962.25
  6. Step 6: Final answer
    x = 78,286.34

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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.