Home / 283,243.32-425,127.78-143,100.36

Finding the Fourth Proportional to 283,243.32, 425,127.78 and 143,100.36

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Solution

The fourth proportional to 283,243.32, 425,127.78 and 143,100.36 is: 214,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,243.32 : 425,127.78 = 143,100.36 : x
  2. Step 2: Convert to fraction form
    283,243.32/425,127.78 = 143,100.36/x
  3. Step 3: Cross multiply
    283,243.32x = 425,127.78 × 143,100.36
  4. Step 4: Simplify right side
    283,243.32x = 60,835,938,364.00
  5. Step 5: Solve for x
    x = 60,835,938,364.00/283,243.32
  6. Step 6: Final answer
    x = 214,783.31

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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.