Home / 283,140.32-424,973.04-142,997.28

Finding the Fourth Proportional to 283,140.32, 424,973.04 and 142,997.28

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Solution

The fourth proportional to 283,140.32, 424,973.04 and 142,997.28 is: 214,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,140.32 : 424,973.04 = 142,997.28 : x
  2. Step 2: Convert to fraction form
    283,140.32/424,973.04 = 142,997.28/x
  3. Step 3: Cross multiply
    283,140.32x = 424,973.04 × 142,997.28
  4. Step 4: Simplify right side
    283,140.32x = 60,769,988,793.33
  5. Step 5: Solve for x
    x = 60,769,988,793.33/283,140.32
  6. Step 6: Final answer
    x = 214,628.52

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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.