Home / 352,131.40-528,197.10-102,813.40

Finding the Fourth Proportional to 352,131.40, 528,197.10 and 102,813.40

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Solution

The fourth proportional to 352,131.40, 528,197.10 and 102,813.40 is: 154,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,131.40 : 528,197.10 = 102,813.40 : x
  2. Step 2: Convert to fraction form
    352,131.40/528,197.10 = 102,813.40/x
  3. Step 3: Cross multiply
    352,131.40x = 528,197.10 × 102,813.40
  4. Step 4: Simplify right side
    352,131.40x = 54,305,739,721.14
  5. Step 5: Solve for x
    x = 54,305,739,721.14/352,131.40
  6. Step 6: Final answer
    x = 154,220.10

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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.