Finding the Fourth Proportional to 77,208.19, 115,593.82 and 49,058.46
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Solution
The fourth proportional to 77,208.19, 115,593.82 and 49,058.46 is: 73,448.88
Step by Step Solution
- Step 1: Write the proportion equation
77,208.19 : 115,593.82 = 49,058.46 : x - Step 2: Convert to fraction form
77,208.19/115,593.82 = 49,058.46/x - Step 3: Cross multiply
77,208.19x = 115,593.82 × 49,058.46 - Step 4: Simplify right side
77,208.19x = 5,670,854,672.07 - Step 5: Solve for x
x = 5,670,854,672.07/77,208.19 - Step 6: Final answer
x = 73,448.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.