Finding the Fourth Proportional to 322,722.98, 445,351.37 and 179,479.95
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Solution
The fourth proportional to 322,722.98, 445,351.37 and 179,479.95 is: 247,678.80
Step by Step Solution
- Step 1: Write the proportion equation
322,722.98 : 445,351.37 = 179,479.95 : x - Step 2: Convert to fraction form
322,722.98/445,351.37 = 179,479.95/x - Step 3: Cross multiply
322,722.98x = 445,351.37 × 179,479.95 - Step 4: Simplify right side
322,722.98x = 79,931,640,722.63 - Step 5: Solve for x
x = 79,931,640,722.63/322,722.98 - Step 6: Final answer
x = 247,678.80
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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.