Finding the Fourth Proportional to 212,094.18, 292,707.27 and 121,479.48
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Solution
The fourth proportional to 212,094.18, 292,707.27 and 121,479.48 is: 167,651.59
Step by Step Solution
- Step 1: Write the proportion equation
212,094.18 : 292,707.27 = 121,479.48 : x - Step 2: Convert to fraction form
212,094.18/292,707.27 = 121,479.48/x - Step 3: Cross multiply
212,094.18x = 292,707.27 × 121,479.48 - Step 4: Simplify right side
212,094.18x = 35,557,926,951.82 - Step 5: Solve for x
x = 35,557,926,951.82/212,094.18 - Step 6: Final answer
x = 167,651.59
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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.