Finding the Fourth Proportional to 270,082.84, 372,704.26 and 149,221.54
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Solution
The fourth proportional to 270,082.84, 372,704.26 and 149,221.54 is: 205,920.17
Step by Step Solution
- Step 1: Write the proportion equation
270,082.84 : 372,704.26 = 149,221.54 : x - Step 2: Convert to fraction form
270,082.84/372,704.26 = 149,221.54/x - Step 3: Cross multiply
270,082.84x = 372,704.26 × 149,221.54 - Step 4: Simplify right side
270,082.84x = 55,615,503,641.76 - Step 5: Solve for x
x = 55,615,503,641.76/270,082.84 - Step 6: Final answer
x = 205,920.17
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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.