Finding the Fourth Proportional to 223,221.02, 307,958.19 and 126,402.63
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Solution
The fourth proportional to 223,221.02, 307,958.19 and 126,402.63 is: 174,386.46
Step by Step Solution
- Step 1: Write the proportion equation
223,221.02 : 307,958.19 = 126,402.63 : x - Step 2: Convert to fraction form
223,221.02/307,958.19 = 126,402.63/x - Step 3: Cross multiply
223,221.02x = 307,958.19 × 126,402.63 - Step 4: Simplify right side
223,221.02x = 38,926,723,517.19 - Step 5: Solve for x
x = 38,926,723,517.19/223,221.02 - Step 6: Final answer
x = 174,386.46
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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.