Home / 352,001.40-528,001.46-141,589.80

Finding the Fourth Proportional to 352,001.40, 528,001.46 and 141,589.80

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Solution

The fourth proportional to 352,001.40, 528,001.46 and 141,589.80 is: 212,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,001.40 : 528,001.46 = 141,589.80 : x
  2. Step 2: Convert to fraction form
    352,001.40/528,001.46 = 141,589.80/x
  3. Step 3: Cross multiply
    352,001.40x = 528,001.46 × 141,589.80
  4. Step 4: Simplify right side
    352,001.40x = 74,759,621,121.11
  5. Step 5: Solve for x
    x = 74,759,621,121.11/352,001.40
  6. Step 6: Final answer
    x = 212,384.44

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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.