Home / 211,190.44-291,430.56-115,680.52

Finding the Fourth Proportional to 211,190.44, 291,430.56 and 115,680.52

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Solution

The fourth proportional to 211,190.44, 291,430.56 and 115,680.52 is: 159,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,190.44 : 291,430.56 = 115,680.52 : x
  2. Step 2: Convert to fraction form
    211,190.44/291,430.56 = 115,680.52/x
  3. Step 3: Cross multiply
    211,190.44x = 291,430.56 × 115,680.52
  4. Step 4: Simplify right side
    211,190.44x = 33,712,838,724.69
  5. Step 5: Solve for x
    x = 33,712,838,724.69/211,190.44
  6. Step 6: Final answer
    x = 159,632.41

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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.