Home / 219,664.53-304,689.92-213,834.60

Finding the Fourth Proportional to 219,664.53, 304,689.92 and 213,834.60

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Solution

The fourth proportional to 219,664.53, 304,689.92 and 213,834.60 is: 296,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,664.53 : 304,689.92 = 213,834.60 : x
  2. Step 2: Convert to fraction form
    219,664.53/304,689.92 = 213,834.60/x
  3. Step 3: Cross multiply
    219,664.53x = 304,689.92 × 213,834.60
  4. Step 4: Simplify right side
    219,664.53x = 65,153,246,098.06
  5. Step 5: Solve for x
    x = 65,153,246,098.06/219,664.53
  6. Step 6: Final answer
    x = 296,603.40

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.