Home / 219,253.71-328,823.47-92,828.88

Finding the Fourth Proportional to 219,253.71, 328,823.47 and 92,828.88

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Solution

The fourth proportional to 219,253.71, 328,823.47 and 92,828.88 is: 139,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,253.71 : 328,823.47 = 92,828.88 : x
  2. Step 2: Convert to fraction form
    219,253.71/328,823.47 = 92,828.88/x
  3. Step 3: Cross multiply
    219,253.71x = 328,823.47 × 92,828.88
  4. Step 4: Simplify right side
    219,253.71x = 30,524,312,793.70
  5. Step 5: Solve for x
    x = 30,524,312,793.70/219,253.71
  6. Step 6: Final answer
    x = 139,219.14

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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.