Home / 219,240.45-302,551.83-123,753.31

Finding the Fourth Proportional to 219,240.45, 302,551.83 and 123,753.31

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Solution

The fourth proportional to 219,240.45, 302,551.83 and 123,753.31 is: 170,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,240.45 : 302,551.83 = 123,753.31 : x
  2. Step 2: Convert to fraction form
    219,240.45/302,551.83 = 123,753.31/x
  3. Step 3: Cross multiply
    219,240.45x = 302,551.83 × 123,753.31
  4. Step 4: Simplify right side
    219,240.45x = 37,441,789,652.68
  5. Step 5: Solve for x
    x = 37,441,789,652.68/219,240.45
  6. Step 6: Final answer
    x = 170,779.57

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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.