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Finding the Fourth Proportional to 223,498.83, 308,418.35 and 126,701.30

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Solution

The fourth proportional to 223,498.83, 308,418.35 and 126,701.30 is: 174,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,498.83 : 308,418.35 = 126,701.30 : x
  2. Step 2: Convert to fraction form
    223,498.83/308,418.35 = 126,701.30/x
  3. Step 3: Cross multiply
    223,498.83x = 308,418.35 × 126,701.30
  4. Step 4: Simplify right side
    223,498.83x = 39,077,005,004.24
  5. Step 5: Solve for x
    x = 39,077,005,004.24/223,498.83
  6. Step 6: Final answer
    x = 174,842.10

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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.