Home / 272,815.70-409,223.55-188,834.90

Finding the Fourth Proportional to 272,815.70, 409,223.55 and 188,834.90

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Solution

The fourth proportional to 272,815.70, 409,223.55 and 188,834.90 is: 283,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,815.70 : 409,223.55 = 188,834.90 : x
  2. Step 2: Convert to fraction form
    272,815.70/409,223.55 = 188,834.90/x
  3. Step 3: Cross multiply
    272,815.70x = 409,223.55 × 188,834.90
  4. Step 4: Simplify right side
    272,815.70x = 77,275,688,141.90
  5. Step 5: Solve for x
    x = 77,275,688,141.90/272,815.70
  6. Step 6: Final answer
    x = 283,252.35

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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.