Finding the Fourth Proportional to 319,859.36, 441,402.99 and 176,616.26
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Solution
The fourth proportional to 319,859.36, 441,402.99 and 176,616.26 is: 243,728.82
Step by Step Solution
- Step 1: Write the proportion equation
319,859.36 : 441,402.99 = 176,616.26 : x - Step 2: Convert to fraction form
319,859.36/441,402.99 = 176,616.26/x - Step 3: Cross multiply
319,859.36x = 441,402.99 × 176,616.26 - Step 4: Simplify right side
319,859.36x = 77,958,945,246.62 - Step 5: Solve for x
x = 77,958,945,246.62/319,859.36 - Step 6: Final answer
x = 243,728.82
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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.