Home / 219,458.84-302,849.55-122,664.96

Finding the Fourth Proportional to 219,458.84, 302,849.55 and 122,664.96

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Solution

The fourth proportional to 219,458.84, 302,849.55 and 122,664.96 is: 169,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,458.84 : 302,849.55 = 122,664.96 : x
  2. Step 2: Convert to fraction form
    219,458.84/302,849.55 = 122,664.96/x
  3. Step 3: Cross multiply
    219,458.84x = 302,849.55 × 122,664.96
  4. Step 4: Simplify right side
    219,458.84x = 37,149,027,936.77
  5. Step 5: Solve for x
    x = 37,149,027,936.77/219,458.84
  6. Step 6: Final answer
    x = 169,275.61

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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.