Home / 283,622.32-425,695.96-143,479.36

Finding the Fourth Proportional to 283,622.32, 425,695.96 and 143,479.36

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Solution

The fourth proportional to 283,622.32, 425,695.96 and 143,479.36 is: 215,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,622.32 : 425,695.96 = 143,479.36 : x
  2. Step 2: Convert to fraction form
    283,622.32/425,695.96 = 143,479.36/x
  3. Step 3: Cross multiply
    283,622.32x = 425,695.96 × 143,479.36
  4. Step 4: Simplify right side
    283,622.32x = 61,078,583,895.39
  5. Step 5: Solve for x
    x = 61,078,583,895.39/283,622.32
  6. Step 6: Final answer
    x = 215,351.82

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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.