Finding the Fourth Proportional to 222,402.27, 306,804.99 and 157,871.19
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Solution
The fourth proportional to 222,402.27, 306,804.99 and 157,871.19 is: 217,784.06
Step by Step Solution
- Step 1: Write the proportion equation
222,402.27 : 306,804.99 = 157,871.19 : x - Step 2: Convert to fraction form
222,402.27/306,804.99 = 157,871.19/x - Step 3: Cross multiply
222,402.27x = 306,804.99 × 157,871.19 - Step 4: Simplify right side
222,402.27x = 48,435,668,869.24 - Step 5: Solve for x
x = 48,435,668,869.24/222,402.27 - Step 6: Final answer
x = 217,784.06
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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.