Finding the Fourth Proportional to 306,054.10, 422,346.22 and 170,084.62
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Solution
The fourth proportional to 306,054.10, 422,346.22 and 170,084.62 is: 234,712.09
Step by Step Solution
- Step 1: Write the proportion equation
306,054.10 : 422,346.22 = 170,084.62 : x - Step 2: Convert to fraction form
306,054.10/422,346.22 = 170,084.62/x - Step 3: Cross multiply
306,054.10x = 422,346.22 × 170,084.62 - Step 4: Simplify right side
306,054.10x = 71,834,596,337.14 - Step 5: Solve for x
x = 71,834,596,337.14/306,054.10 - Step 6: Final answer
x = 234,712.09
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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.