Home / 352,231.37-528,018.36-139,001.06

Finding the Fourth Proportional to 352,231.37, 528,018.36 and 139,001.06

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Solution

The fourth proportional to 352,231.37, 528,018.36 and 139,001.06 is: 208,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,231.37 : 528,018.36 = 139,001.06 : x
  2. Step 2: Convert to fraction form
    352,231.37/528,018.36 = 139,001.06/x
  3. Step 3: Cross multiply
    352,231.37x = 528,018.36 × 139,001.06
  4. Step 4: Simplify right side
    352,231.37x = 73,395,111,739.46
  5. Step 5: Solve for x
    x = 73,395,111,739.46/352,231.37
  6. Step 6: Final answer
    x = 208,371.88

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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.