Finding the Fourth Proportional to 320,068.67, 441,703.53 and 176,837.78
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Solution
The fourth proportional to 320,068.67, 441,703.53 and 176,837.78 is: 244,040.99
Step by Step Solution
- Step 1: Write the proportion equation
320,068.67 : 441,703.53 = 176,837.78 : x - Step 2: Convert to fraction form
320,068.67/441,703.53 = 176,837.78/x - Step 3: Cross multiply
320,068.67x = 441,703.53 × 176,837.78 - Step 4: Simplify right side
320,068.67x = 78,109,872,767.62 - Step 5: Solve for x
x = 78,109,872,767.62/320,068.67 - Step 6: Final answer
x = 244,040.99
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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.