Finding the Fourth Proportional to 322,666.17, 445,290.11 and 177,478.09
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Solution
The fourth proportional to 322,666.17, 445,290.11 and 177,478.09 is: 244,925.70
Step by Step Solution
- Step 1: Write the proportion equation
322,666.17 : 445,290.11 = 177,478.09 : x - Step 2: Convert to fraction form
322,666.17/445,290.11 = 177,478.09/x - Step 3: Cross multiply
322,666.17x = 445,290.11 × 177,478.09 - Step 4: Simplify right side
322,666.17x = 79,029,236,883.62 - Step 5: Solve for x
x = 79,029,236,883.62/322,666.17 - Step 6: Final answer
x = 244,925.70
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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.