Finding the Fourth Proportional to 260,939.79, 391,075.14 and 227,064.99
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Solution
The fourth proportional to 260,939.79, 391,075.14 and 227,064.99 is: 340,306.37
Step by Step Solution
- Step 1: Write the proportion equation
260,939.79 : 391,075.14 = 227,064.99 : x - Step 2: Convert to fraction form
260,939.79/391,075.14 = 227,064.99/x - Step 3: Cross multiply
260,939.79x = 391,075.14 × 227,064.99 - Step 4: Simplify right side
260,939.79x = 88,799,472,753.35 - Step 5: Solve for x
x = 88,799,472,753.35/260,939.79 - Step 6: Final answer
x = 340,306.37
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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.