Finding the Fourth Proportional to 223,151.42, 307,944.68 and 126,347.99
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Solution
The fourth proportional to 223,151.42, 307,944.68 and 126,347.99 is: 174,357.79
Step by Step Solution
- Step 1: Write the proportion equation
223,151.42 : 307,944.68 = 126,347.99 : x - Step 2: Convert to fraction form
223,151.42/307,944.68 = 126,347.99/x - Step 3: Cross multiply
223,151.42x = 307,944.68 × 126,347.99 - Step 4: Simplify right side
223,151.42x = 38,908,189,177.73 - Step 5: Solve for x
x = 38,908,189,177.73/223,151.42 - Step 6: Final answer
x = 174,357.79
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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.