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Finding the Fourth Proportional to 223,525.87, 308,443.61 and 126,710.62

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Solution

The fourth proportional to 223,525.87, 308,443.61 and 126,710.62 is: 174,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,525.87 : 308,443.61 = 126,710.62 : x
  2. Step 2: Convert to fraction form
    223,525.87/308,443.61 = 126,710.62/x
  3. Step 3: Cross multiply
    223,525.87x = 308,443.61 × 126,710.62
  4. Step 4: Simplify right side
    223,525.87x = 39,083,080,603.81
  5. Step 5: Solve for x
    x = 39,083,080,603.81/223,525.87
  6. Step 6: Final answer
    x = 174,848.13

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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.