Finding the Fourth Proportional to 211,994.66, 292,551.68 and 121,350.12
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Solution
The fourth proportional to 211,994.66, 292,551.68 and 121,350.12 is: 167,462.62
Step by Step Solution
- Step 1: Write the proportion equation
211,994.66 : 292,551.68 = 121,350.12 : x - Step 2: Convert to fraction form
211,994.66/292,551.68 = 121,350.12/x - Step 3: Cross multiply
211,994.66x = 292,551.68 × 121,350.12 - Step 4: Simplify right side
211,994.66x = 35,501,181,474.20 - Step 5: Solve for x
x = 35,501,181,474.20/211,994.66 - Step 6: Final answer
x = 167,462.62
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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.