Home / 282,424.00-389,751.90-155,102.33

Finding the Fourth Proportional to 282,424.00, 389,751.90 and 155,102.33

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Solution

The fourth proportional to 282,424.00, 389,751.90 and 155,102.33 is: 214,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,424.00 : 389,751.90 = 155,102.33 : x
  2. Step 2: Convert to fraction form
    282,424.00/389,751.90 = 155,102.33/x
  3. Step 3: Cross multiply
    282,424.00x = 389,751.90 × 155,102.33
  4. Step 4: Simplify right side
    282,424.00x = 60,451,425,281.53
  5. Step 5: Solve for x
    x = 60,451,425,281.53/282,424.00
  6. Step 6: Final answer
    x = 214,044.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.