Home / 219,877.43-303,437.63-124,382.21

Finding the Fourth Proportional to 219,877.43, 303,437.63 and 124,382.21

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Solution

The fourth proportional to 219,877.43, 303,437.63 and 124,382.21 is: 171,651.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,877.43 : 303,437.63 = 124,382.21 : x
  2. Step 2: Convert to fraction form
    219,877.43/303,437.63 = 124,382.21/x
  3. Step 3: Cross multiply
    219,877.43x = 303,437.63 × 124,382.21
  4. Step 4: Simplify right side
    219,877.43x = 37,742,242,394.65
  5. Step 5: Solve for x
    x = 37,742,242,394.65/219,877.43
  6. Step 6: Final answer
    x = 171,651.28

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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.