Home / 309,244.38-426,573.99-195,870.30

Finding the Fourth Proportional to 309,244.38, 426,573.99 and 195,870.30

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Solution

The fourth proportional to 309,244.38, 426,573.99 and 195,870.30 is: 270,184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,244.38 : 426,573.99 = 195,870.30 : x
  2. Step 2: Convert to fraction form
    309,244.38/426,573.99 = 195,870.30/x
  3. Step 3: Cross multiply
    309,244.38x = 426,573.99 × 195,870.30
  4. Step 4: Simplify right side
    309,244.38x = 83,553,175,393.50
  5. Step 5: Solve for x
    x = 83,553,175,393.50/309,244.38
  6. Step 6: Final answer
    x = 270,184.94

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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.