Home / 282,246.94-389,502.03-154,923.58

Finding the Fourth Proportional to 282,246.94, 389,502.03 and 154,923.58

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Solution

The fourth proportional to 282,246.94, 389,502.03 and 154,923.58 is: 213,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,246.94 : 389,502.03 = 154,923.58 : x
  2. Step 2: Convert to fraction form
    282,246.94/389,502.03 = 154,923.58/x
  3. Step 3: Cross multiply
    282,246.94x = 389,502.03 × 154,923.58
  4. Step 4: Simplify right side
    282,246.94x = 60,343,048,904.87
  5. Step 5: Solve for x
    x = 60,343,048,904.87/282,246.94
  6. Step 6: Final answer
    x = 213,795.23

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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.