Finding the Fourth Proportional to 218,967.06, 302,174.62 and 118,365.06
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Solution
The fourth proportional to 218,967.06, 302,174.62 and 118,365.06 is: 163,343.82
Step by Step Solution
- Step 1: Write the proportion equation
218,967.06 : 302,174.62 = 118,365.06 : x - Step 2: Convert to fraction form
218,967.06/302,174.62 = 118,365.06/x - Step 3: Cross multiply
218,967.06x = 302,174.62 × 118,365.06 - Step 4: Simplify right side
218,967.06x = 35,766,917,026.78 - Step 5: Solve for x
x = 35,766,917,026.78/218,967.06 - Step 6: Final answer
x = 163,343.82
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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.