Home / 282,935.26-390,453.92-155,612.98

Finding the Fourth Proportional to 282,935.26, 390,453.92 and 155,612.98

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Solution

The fourth proportional to 282,935.26, 390,453.92 and 155,612.98 is: 214,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,935.26 : 390,453.92 = 155,612.98 : x
  2. Step 2: Convert to fraction form
    282,935.26/390,453.92 = 155,612.98/x
  3. Step 3: Cross multiply
    282,935.26x = 390,453.92 × 155,612.98
  4. Step 4: Simplify right side
    282,935.26x = 60,759,698,043.88
  5. Step 5: Solve for x
    x = 60,759,698,043.88/282,935.26
  6. Step 6: Final answer
    x = 214,747.71

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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.