Finding the Fourth Proportional to 223,315.88, 308,177.14 and 121,342.14
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Solution
The fourth proportional to 223,315.88, 308,177.14 and 121,342.14 is: 167,452.82
Step by Step Solution
- Step 1: Write the proportion equation
223,315.88 : 308,177.14 = 121,342.14 : x - Step 2: Convert to fraction form
223,315.88/308,177.14 = 121,342.14/x - Step 3: Cross multiply
223,315.88x = 308,177.14 × 121,342.14 - Step 4: Simplify right side
223,315.88x = 37,394,873,666.68 - Step 5: Solve for x
x = 37,394,873,666.68/223,315.88 - Step 6: Final answer
x = 167,452.82
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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.