Finding the Fourth Proportional to 222,438.24, 306,877.68 and 141,844.32
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Solution
The fourth proportional to 222,438.24, 306,877.68 and 141,844.32 is: 195,689.63
Step by Step Solution
- Step 1: Write the proportion equation
222,438.24 : 306,877.68 = 141,844.32 : x - Step 2: Convert to fraction form
222,438.24/306,877.68 = 141,844.32/x - Step 3: Cross multiply
222,438.24x = 306,877.68 × 141,844.32 - Step 4: Simplify right side
222,438.24x = 43,528,855,842.78 - Step 5: Solve for x
x = 43,528,855,842.78/222,438.24 - Step 6: Final answer
x = 195,689.63
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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.