Home / 283,136.32-424,967.04-142,993.28

Finding the Fourth Proportional to 283,136.32, 424,967.04 and 142,993.28

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Solution

The fourth proportional to 283,136.32, 424,967.04 and 142,993.28 is: 214,622.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,136.32 : 424,967.04 = 142,993.28 : x
  2. Step 2: Convert to fraction form
    283,136.32/424,967.04 = 142,993.28/x
  3. Step 3: Cross multiply
    283,136.32x = 424,967.04 × 142,993.28
  4. Step 4: Simplify right side
    283,136.32x = 60,767,430,941.49
  5. Step 5: Solve for x
    x = 60,767,430,941.49/283,136.32
  6. Step 6: Final answer
    x = 214,622.52

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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.