Finding the Fourth Proportional to 320,055.26, 441,672.94 and 176,805.95
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Solution
The fourth proportional to 320,055.26, 441,672.94 and 176,805.95 is: 243,990.38
Step by Step Solution
- Step 1: Write the proportion equation
320,055.26 : 441,672.94 = 176,805.95 : x - Step 2: Convert to fraction form
320,055.26/441,672.94 = 176,805.95/x - Step 3: Cross multiply
320,055.26x = 441,672.94 × 176,805.95 - Step 4: Simplify right side
320,055.26x = 78,090,405,071.18 - Step 5: Solve for x
x = 78,090,405,071.18/320,055.26 - Step 6: Final answer
x = 243,990.38
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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.