Finding the Fourth Proportional to 275,031.95, 379,537.26 and 152,523.62
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Solution
The fourth proportional to 275,031.95, 379,537.26 and 152,523.62 is: 210,478.81
Step by Step Solution
- Step 1: Write the proportion equation
275,031.95 : 379,537.26 = 152,523.62 : x - Step 2: Convert to fraction form
275,031.95/379,537.26 = 152,523.62/x - Step 3: Cross multiply
275,031.95x = 379,537.26 × 152,523.62 - Step 4: Simplify right side
275,031.95x = 57,888,396,820.08 - Step 5: Solve for x
x = 57,888,396,820.08/275,031.95 - Step 6: Final answer
x = 210,478.81
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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.