Home / 387,629.80-581,012.70-150,893.80

Finding the Fourth Proportional to 387,629.80, 581,012.70 and 150,893.80

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Solution

The fourth proportional to 387,629.80, 581,012.70 and 150,893.80 is: 226,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,629.80 : 581,012.70 = 150,893.80 : x
  2. Step 2: Convert to fraction form
    387,629.80/581,012.70 = 150,893.80/x
  3. Step 3: Cross multiply
    387,629.80x = 581,012.70 × 150,893.80
  4. Step 4: Simplify right side
    387,629.80x = 87,671,214,151.26
  5. Step 5: Solve for x
    x = 87,671,214,151.26/387,629.80
  6. Step 6: Final answer
    x = 226,172.53

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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.