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Finding the Fourth Proportional to 241,955.56, 362,980.86 and 84,189.16

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Solution

The fourth proportional to 241,955.56, 362,980.86 and 84,189.16 is: 126,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,955.56 : 362,980.86 = 84,189.16 : x
  2. Step 2: Convert to fraction form
    241,955.56/362,980.86 = 84,189.16/x
  3. Step 3: Cross multiply
    241,955.56x = 362,980.86 × 84,189.16
  4. Step 4: Simplify right side
    241,955.56x = 30,559,053,699.48
  5. Step 5: Solve for x
    x = 30,559,053,699.48/241,955.56
  6. Step 6: Final answer
    x = 126,300.27

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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.