Home / 646,032.18-969,136.91-219,453.50

Finding the Fourth Proportional to 646,032.18, 969,136.91 and 219,453.50

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Solution

The fourth proportional to 646,032.18, 969,136.91 and 219,453.50 is: 329,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,032.18 : 969,136.91 = 219,453.50 : x
  2. Step 2: Convert to fraction form
    646,032.18/969,136.91 = 219,453.50/x
  3. Step 3: Cross multiply
    646,032.18x = 969,136.91 × 219,453.50
  4. Step 4: Simplify right side
    646,032.18x = 212,680,486,878.69
  5. Step 5: Solve for x
    x = 212,680,486,878.69/646,032.18
  6. Step 6: Final answer
    x = 329,210.36

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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.