Home / 282,426.13-389,748.06-155,101.73

Finding the Fourth Proportional to 282,426.13, 389,748.06 and 155,101.73

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Solution

The fourth proportional to 282,426.13, 389,748.06 and 155,101.73 is: 214,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,426.13 : 389,748.06 = 155,101.73 : x
  2. Step 2: Convert to fraction form
    282,426.13/389,748.06 = 155,101.73/x
  3. Step 3: Cross multiply
    282,426.13x = 389,748.06 × 155,101.73
  4. Step 4: Simplify right side
    282,426.13x = 60,450,599,344.51
  5. Step 5: Solve for x
    x = 60,450,599,344.51/282,426.13
  6. Step 6: Final answer
    x = 214,040.39

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1.5x scale

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.