Home / 282,332.66-389,619.72-155,016.45

Finding the Fourth Proportional to 282,332.66, 389,619.72 and 155,016.45

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Solution

The fourth proportional to 282,332.66, 389,619.72 and 155,016.45 is: 213,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,332.66 : 389,619.72 = 155,016.45 : x
  2. Step 2: Convert to fraction form
    282,332.66/389,619.72 = 155,016.45/x
  3. Step 3: Cross multiply
    282,332.66x = 389,619.72 × 155,016.45
  4. Step 4: Simplify right side
    282,332.66x = 60,397,465,844.39
  5. Step 5: Solve for x
    x = 60,397,465,844.39/282,332.66
  6. Step 6: Final answer
    x = 213,923.06

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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.