Finding the Fourth Proportional to 580,991.40, 871,151.76 and 225,590.13
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Solution
The fourth proportional to 580,991.40, 871,151.76 and 225,590.13 is: 338,254.99
Step by Step Solution
- Step 1: Write the proportion equation
580,991.40 : 871,151.76 = 225,590.13 : x - Step 2: Convert to fraction form
580,991.40/871,151.76 = 225,590.13/x - Step 3: Cross multiply
580,991.40x = 871,151.76 × 225,590.13 - Step 4: Simplify right side
580,991.40x = 196,523,238,788.13 - Step 5: Solve for x
x = 196,523,238,788.13/580,991.40 - Step 6: Final answer
x = 338,254.99
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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.