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Finding the Fourth Proportional to 223,567.88, 335,025.76 and 103,661.50

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Solution

The fourth proportional to 223,567.88, 335,025.76 and 103,661.50 is: 155,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,567.88 : 335,025.76 = 103,661.50 : x
  2. Step 2: Convert to fraction form
    223,567.88/335,025.76 = 103,661.50/x
  3. Step 3: Cross multiply
    223,567.88x = 335,025.76 × 103,661.50
  4. Step 4: Simplify right side
    223,567.88x = 34,729,272,820.24
  5. Step 5: Solve for x
    x = 34,729,272,820.24/223,567.88
  6. Step 6: Final answer
    x = 155,341.07

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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.