Finding the Fourth Proportional to 207,229.79, 310,437.97 and 107,455.21
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Solution
The fourth proportional to 207,229.79, 310,437.97 and 107,455.21 is: 160,971.91
Step by Step Solution
- Step 1: Write the proportion equation
207,229.79 : 310,437.97 = 107,455.21 : x - Step 2: Convert to fraction form
207,229.79/310,437.97 = 107,455.21/x - Step 3: Cross multiply
207,229.79x = 310,437.97 × 107,455.21 - Step 4: Simplify right side
207,229.79x = 33,358,176,213.59 - Step 5: Solve for x
x = 33,358,176,213.59/207,229.79 - Step 6: Final answer
x = 160,971.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.