Home / 219,228.48-328,877.16-92,869.08

Finding the Fourth Proportional to 219,228.48, 328,877.16 and 92,869.08

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Solution

The fourth proportional to 219,228.48, 328,877.16 and 92,869.08 is: 139,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,228.48 : 328,877.16 = 92,869.08 : x
  2. Step 2: Convert to fraction form
    219,228.48/328,877.16 = 92,869.08/x
  3. Step 3: Cross multiply
    219,228.48x = 328,877.16 × 92,869.08
  4. Step 4: Simplify right side
    219,228.48x = 30,542,519,282.21
  5. Step 5: Solve for x
    x = 30,542,519,282.21/219,228.48
  6. Step 6: Final answer
    x = 139,318.21

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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.