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Finding the Fourth Proportional to 223,684.46, 308,675.30 and 121,710.34

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Solution

The fourth proportional to 223,684.46, 308,675.30 and 121,710.34 is: 167,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,684.46 : 308,675.30 = 121,710.34 : x
  2. Step 2: Convert to fraction form
    223,684.46/308,675.30 = 121,710.34/x
  3. Step 3: Cross multiply
    223,684.46x = 308,675.30 × 121,710.34
  4. Step 4: Simplify right side
    223,684.46x = 37,568,975,712.60
  5. Step 5: Solve for x
    x = 37,568,975,712.60/223,684.46
  6. Step 6: Final answer
    x = 167,955.23

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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.