Home / 223,425.96-308,320.02-122,823.24

Finding the Fourth Proportional to 223,425.96, 308,320.02 and 122,823.24

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Solution

The fourth proportional to 223,425.96, 308,320.02 and 122,823.24 is: 169,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,425.96 : 308,320.02 = 122,823.24 : x
  2. Step 2: Convert to fraction form
    223,425.96/308,320.02 = 122,823.24/x
  3. Step 3: Cross multiply
    223,425.96x = 308,320.02 × 122,823.24
  4. Step 4: Simplify right side
    223,425.96x = 37,868,863,813.26
  5. Step 5: Solve for x
    x = 37,868,863,813.26/223,425.96
  6. Step 6: Final answer
    x = 169,491.78

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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.