Home / 284,618.30-426,864.56-82,170.43

Finding the Fourth Proportional to 284,618.30, 426,864.56 and 82,170.43

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Solution

The fourth proportional to 284,618.30, 426,864.56 and 82,170.43 is: 123,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,618.30 : 426,864.56 = 82,170.43 : x
  2. Step 2: Convert to fraction form
    284,618.30/426,864.56 = 82,170.43/x
  3. Step 3: Cross multiply
    284,618.30x = 426,864.56 × 82,170.43
  4. Step 4: Simplify right side
    284,618.30x = 35,075,642,518.06
  5. Step 5: Solve for x
    x = 35,075,642,518.06/284,618.30
  6. Step 6: Final answer
    x = 123,237.48

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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.