Finding the Fourth Proportional to 370,269.60, 555,274.80 and 192,717.60
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Solution
The fourth proportional to 370,269.60, 555,274.80 and 192,717.60 is: 289,008.95
Step by Step Solution
- Step 1: Write the proportion equation
370,269.60 : 555,274.80 = 192,717.60 : x - Step 2: Convert to fraction form
370,269.60/555,274.80 = 192,717.60/x - Step 3: Cross multiply
370,269.60x = 555,274.80 × 192,717.60 - Step 4: Simplify right side
370,269.60x = 107,011,226,796.48 - Step 5: Solve for x
x = 107,011,226,796.48/370,269.60 - Step 6: Final answer
x = 289,008.95
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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.