Home / 356,630.38-492,147.60-195,492.22

Finding the Fourth Proportional to 356,630.38, 492,147.60 and 195,492.22

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Solution

The fourth proportional to 356,630.38, 492,147.60 and 195,492.22 is: 269,777.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,630.38 : 492,147.60 = 195,492.22 : x
  2. Step 2: Convert to fraction form
    356,630.38/492,147.60 = 195,492.22/x
  3. Step 3: Cross multiply
    356,630.38x = 492,147.60 × 195,492.22
  4. Step 4: Simplify right side
    356,630.38x = 96,211,024,928.21
  5. Step 5: Solve for x
    x = 96,211,024,928.21/356,630.38
  6. Step 6: Final answer
    x = 269,777.99

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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.