Home / 242,814.51-335,009.66-140,819.31

Finding the Fourth Proportional to 242,814.51, 335,009.66 and 140,819.31

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Solution

The fourth proportional to 242,814.51, 335,009.66 and 140,819.31 is: 194,287.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,814.51 : 335,009.66 = 140,819.31 : x
  2. Step 2: Convert to fraction form
    242,814.51/335,009.66 = 140,819.31/x
  3. Step 3: Cross multiply
    242,814.51x = 335,009.66 × 140,819.31
  4. Step 4: Simplify right side
    242,814.51x = 47,175,828,460.44
  5. Step 5: Solve for x
    x = 47,175,828,460.44/242,814.51
  6. Step 6: Final answer
    x = 194,287.52

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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.