Finding the Fourth Proportional to 222,167.42, 306,590.71 and 120,192.55
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Solution
The fourth proportional to 222,167.42, 306,590.71 and 120,192.55 is: 165,865.53
Step by Step Solution
- Step 1: Write the proportion equation
222,167.42 : 306,590.71 = 120,192.55 : x - Step 2: Convert to fraction form
222,167.42/306,590.71 = 120,192.55/x - Step 3: Cross multiply
222,167.42x = 306,590.71 × 120,192.55 - Step 4: Simplify right side
222,167.42x = 36,849,917,799.45 - Step 5: Solve for x
x = 36,849,917,799.45/222,167.42 - Step 6: Final answer
x = 165,865.53
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1.5x scale
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.