Home / 219,274.19-329,011.72-119,284.55

Finding the Fourth Proportional to 219,274.19, 329,011.72 and 119,284.55

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Solution

The fourth proportional to 219,274.19, 329,011.72 and 119,284.55 is: 178,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,274.19 : 329,011.72 = 119,284.55 : x
  2. Step 2: Convert to fraction form
    219,274.19/329,011.72 = 119,284.55/x
  3. Step 3: Cross multiply
    219,274.19x = 329,011.72 × 119,284.55
  4. Step 4: Simplify right side
    219,274.19x = 39,246,013,021.66
  5. Step 5: Solve for x
    x = 39,246,013,021.66/219,274.19
  6. Step 6: Final answer
    x = 178,981.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.