Home / 283,232.32-425,111.28-143,089.36

Finding the Fourth Proportional to 283,232.32, 425,111.28 and 143,089.36

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Solution

The fourth proportional to 283,232.32, 425,111.28 and 143,089.36 is: 214,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,232.32 : 425,111.28 = 143,089.36 : x
  2. Step 2: Convert to fraction form
    283,232.32/425,111.28 = 143,089.36/x
  3. Step 3: Cross multiply
    283,232.32x = 425,111.28 × 143,089.36
  4. Step 4: Simplify right side
    283,232.32x = 60,828,900,983.98
  5. Step 5: Solve for x
    x = 60,828,900,983.98/283,232.32
  6. Step 6: Final answer
    x = 214,766.81

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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.