Home / 309,914.60-427,502.02-195,148.24

Finding the Fourth Proportional to 309,914.60, 427,502.02 and 195,148.24

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Solution

The fourth proportional to 309,914.60, 427,502.02 and 195,148.24 is: 269,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,914.60 : 427,502.02 = 195,148.24 : x
  2. Step 2: Convert to fraction form
    309,914.60/427,502.02 = 195,148.24/x
  3. Step 3: Cross multiply
    309,914.60x = 427,502.02 × 195,148.24
  4. Step 4: Simplify right side
    309,914.60x = 83,426,266,799.44
  5. Step 5: Solve for x
    x = 83,426,266,799.44/309,914.60
  6. Step 6: Final answer
    x = 269,191.15

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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.