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Finding the Fourth Proportional to 223,394.28, 308,284.11 and 122,792.28

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Solution

The fourth proportional to 223,394.28, 308,284.11 and 122,792.28 is: 169,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,394.28 : 308,284.11 = 122,792.28 : x
  2. Step 2: Convert to fraction form
    223,394.28/308,284.11 = 122,792.28/x
  3. Step 3: Cross multiply
    223,394.28x = 308,284.11 × 122,792.28
  4. Step 4: Simplify right side
    223,394.28x = 37,854,908,754.67
  5. Step 5: Solve for x
    x = 37,854,908,754.67/223,394.28
  6. Step 6: Final answer
    x = 169,453.35

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1.5x scale

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.