Finding the Fourth Proportional to 261,047.95, 391,572.27 and 71,509.99
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Solution
The fourth proportional to 261,047.95, 391,572.27 and 71,509.99 is: 107,265.07
Step by Step Solution
- Step 1: Write the proportion equation
261,047.95 : 391,572.27 = 71,509.99 : x - Step 2: Convert to fraction form
261,047.95/391,572.27 = 71,509.99/x - Step 3: Cross multiply
261,047.95x = 391,572.27 × 71,509.99 - Step 4: Simplify right side
261,047.95x = 28,001,327,775.50 - Step 5: Solve for x
x = 28,001,327,775.50/261,047.95 - Step 6: Final answer
x = 107,265.07
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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.