Home / 210,493.44-290,483.52-115,001.28

Finding the Fourth Proportional to 210,493.44, 290,483.52 and 115,001.28

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Solution

The fourth proportional to 210,493.44, 290,483.52 and 115,001.28 is: 158,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,493.44 : 290,483.52 = 115,001.28 : x
  2. Step 2: Convert to fraction form
    210,493.44/290,483.52 = 115,001.28/x
  3. Step 3: Cross multiply
    210,493.44x = 290,483.52 × 115,001.28
  4. Step 4: Simplify right side
    210,493.44x = 33,405,976,618.91
  5. Step 5: Solve for x
    x = 33,405,976,618.91/210,493.44
  6. Step 6: Final answer
    x = 158,703.17

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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.