Finding the Fourth Proportional to 211,670.42, 292,110.72 and 121,041.14
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Solution
The fourth proportional to 211,670.42, 292,110.72 and 121,041.14 is: 167,039.94
Step by Step Solution
- Step 1: Write the proportion equation
211,670.42 : 292,110.72 = 121,041.14 : x - Step 2: Convert to fraction form
211,670.42/292,110.72 = 121,041.14/x - Step 3: Cross multiply
211,670.42x = 292,110.72 × 121,041.14 - Step 4: Simplify right side
211,670.42x = 35,357,414,555.02 - Step 5: Solve for x
x = 35,357,414,555.02/211,670.42 - Step 6: Final answer
x = 167,039.94
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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.