Finding the Fourth Proportional to 349,523.48, 482,337.81 and 196,561.62
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Solution
The fourth proportional to 349,523.48, 482,337.81 and 196,561.62 is: 271,252.45
Step by Step Solution
- Step 1: Write the proportion equation
349,523.48 : 482,337.81 = 196,561.62 : x - Step 2: Convert to fraction form
349,523.48/482,337.81 = 196,561.62/x - Step 3: Cross multiply
349,523.48x = 482,337.81 × 196,561.62 - Step 4: Simplify right side
349,523.48x = 94,809,101,320.85 - Step 5: Solve for x
x = 94,809,101,320.85/349,523.48 - Step 6: Final answer
x = 271,252.45
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1.5x scale
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.