Home / 285,892.29-428,297.15-190,835.85

Finding the Fourth Proportional to 285,892.29, 428,297.15 and 190,835.85

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Solution

The fourth proportional to 285,892.29, 428,297.15 and 190,835.85 is: 285,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,892.29 : 428,297.15 = 190,835.85 : x
  2. Step 2: Convert to fraction form
    285,892.29/428,297.15 = 190,835.85/x
  3. Step 3: Cross multiply
    285,892.29x = 428,297.15 × 190,835.85
  4. Step 4: Simplify right side
    285,892.29x = 81,734,449,718.65
  5. Step 5: Solve for x
    x = 81,734,449,718.65/285,892.29
  6. Step 6: Final answer
    x = 285,892.46

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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.