Home / 283,138.32-424,970.04-142,995.28

Finding the Fourth Proportional to 283,138.32, 424,970.04 and 142,995.28

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Solution

The fourth proportional to 283,138.32, 424,970.04 and 142,995.28 is: 214,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,138.32 : 424,970.04 = 142,995.28 : x
  2. Step 2: Convert to fraction form
    283,138.32/424,970.04 = 142,995.28/x
  3. Step 3: Cross multiply
    283,138.32x = 424,970.04 × 142,995.28
  4. Step 4: Simplify right side
    283,138.32x = 60,768,709,861.41
  5. Step 5: Solve for x
    x = 60,768,709,861.41/283,138.32
  6. Step 6: Final answer
    x = 214,625.52

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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.