Finding the Fourth Proportional to 222,159.06, 306,577.98 and 121,557.06
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Solution
The fourth proportional to 222,159.06, 306,577.98 and 121,557.06 is: 167,747.91
Step by Step Solution
- Step 1: Write the proportion equation
222,159.06 : 306,577.98 = 121,557.06 : x - Step 2: Convert to fraction form
222,159.06/306,577.98 = 121,557.06/x - Step 3: Cross multiply
222,159.06x = 306,577.98 × 121,557.06 - Step 4: Simplify right side
222,159.06x = 37,266,717,909.54 - Step 5: Solve for x
x = 37,266,717,909.54/222,159.06 - Step 6: Final answer
x = 167,747.91
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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.