Finding the Fourth Proportional to 646,044.19, 969,074.48 and 225,320.06
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Solution
The fourth proportional to 646,044.19, 969,074.48 and 225,320.06 is: 337,982.95
Step by Step Solution
- Step 1: Write the proportion equation
646,044.19 : 969,074.48 = 225,320.06 : x - Step 2: Convert to fraction form
646,044.19/969,074.48 = 225,320.06/x - Step 3: Cross multiply
646,044.19x = 969,074.48 × 225,320.06 - Step 4: Simplify right side
646,044.19x = 218,351,922,964.06 - Step 5: Solve for x
x = 218,351,922,964.06/646,044.19 - Step 6: Final answer
x = 337,982.95
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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.