Home / 283,212.32-425,081.28-143,069.36

Finding the Fourth Proportional to 283,212.32, 425,081.28 and 143,069.36

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Solution

The fourth proportional to 283,212.32, 425,081.28 and 143,069.36 is: 214,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,212.32 : 425,081.28 = 143,069.36 : x
  2. Step 2: Convert to fraction form
    283,212.32/425,081.28 = 143,069.36/x
  3. Step 3: Cross multiply
    283,212.32x = 425,081.28 × 143,069.36
  4. Step 4: Simplify right side
    283,212.32x = 60,816,106,677.58
  5. Step 5: Solve for x
    x = 60,816,106,677.58/283,212.32
  6. Step 6: Final answer
    x = 214,736.80

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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.