Home / 219,043.21-302,293.73-123,547.85

Finding the Fourth Proportional to 219,043.21, 302,293.73 and 123,547.85

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Solution

The fourth proportional to 219,043.21, 302,293.73 and 123,547.85 is: 170,503.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,043.21 : 302,293.73 = 123,547.85 : x
  2. Step 2: Convert to fraction form
    219,043.21/302,293.73 = 123,547.85/x
  3. Step 3: Cross multiply
    219,043.21x = 302,293.73 × 123,547.85
  4. Step 4: Simplify right side
    219,043.21x = 37,347,741,474.58
  5. Step 5: Solve for x
    x = 37,347,741,474.58/219,043.21
  6. Step 6: Final answer
    x = 170,503.99

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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.