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Finding the Fourth Proportional to 223,526.42, 308,457.02 and 126,736.79

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Solution

The fourth proportional to 223,526.42, 308,457.02 and 126,736.79 is: 174,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,526.42 : 308,457.02 = 126,736.79 : x
  2. Step 2: Convert to fraction form
    223,526.42/308,457.02 = 126,736.79/x
  3. Step 3: Cross multiply
    223,526.42x = 308,457.02 × 126,736.79
  4. Step 4: Simplify right side
    223,526.42x = 39,092,852,567.77
  5. Step 5: Solve for x
    x = 39,092,852,567.77/223,526.42
  6. Step 6: Final answer
    x = 174,891.42

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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.