Home / 210,837.08-290,781.96-150,388.40

Finding the Fourth Proportional to 210,837.08, 290,781.96 and 150,388.40

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Solution

The fourth proportional to 210,837.08, 290,781.96 and 150,388.40 is: 207,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,837.08 : 290,781.96 = 150,388.40 : x
  2. Step 2: Convert to fraction form
    210,837.08/290,781.96 = 150,388.40/x
  3. Step 3: Cross multiply
    210,837.08x = 290,781.96 × 150,388.40
  4. Step 4: Simplify right side
    210,837.08x = 43,730,233,713.26
  5. Step 5: Solve for x
    x = 43,730,233,713.26/210,837.08
  6. Step 6: Final answer
    x = 207,412.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.