Home / 352,545.20-528,623.40-141,945.20

Finding the Fourth Proportional to 352,545.20, 528,623.40 and 141,945.20

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Solution

The fourth proportional to 352,545.20, 528,623.40 and 141,945.20 is: 212,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,545.20 : 528,623.40 = 141,945.20 : x
  2. Step 2: Convert to fraction form
    352,545.20/528,623.40 = 141,945.20/x
  3. Step 3: Cross multiply
    352,545.20x = 528,623.40 × 141,945.20
  4. Step 4: Simplify right side
    352,545.20x = 75,035,554,237.68
  5. Step 5: Solve for x
    x = 75,035,554,237.68/352,545.20
  6. Step 6: Final answer
    x = 212,839.53

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1.5x scale

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.