Home / 418,918.18-628,282.59-119,392.33

Finding the Fourth Proportional to 418,918.18, 628,282.59 and 119,392.33

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Solution

The fourth proportional to 418,918.18, 628,282.59 and 119,392.33 is: 179,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,918.18 : 628,282.59 = 119,392.33 : x
  2. Step 2: Convert to fraction form
    418,918.18/628,282.59 = 119,392.33/x
  3. Step 3: Cross multiply
    418,918.18x = 628,282.59 × 119,392.33
  4. Step 4: Simplify right side
    418,918.18x = 75,012,122,318.53
  5. Step 5: Solve for x
    x = 75,012,122,318.53/418,918.18
  6. Step 6: Final answer
    x = 179,061.51

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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.