Home / 282,316.52-389,606.82-155,001.80

Finding the Fourth Proportional to 282,316.52, 389,606.82 and 155,001.80

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Solution

The fourth proportional to 282,316.52, 389,606.82 and 155,001.80 is: 213,907.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,316.52 : 389,606.82 = 155,001.80 : x
  2. Step 2: Convert to fraction form
    282,316.52/389,606.82 = 155,001.80/x
  3. Step 3: Cross multiply
    282,316.52x = 389,606.82 × 155,001.80
  4. Step 4: Simplify right side
    282,316.52x = 60,389,758,392.28
  5. Step 5: Solve for x
    x = 60,389,758,392.28/282,316.52
  6. Step 6: Final answer
    x = 213,907.99

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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.