Finding the Fourth Proportional to 247,121.12, 370,681.67 and 60,132.62
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Solution
The fourth proportional to 247,121.12, 370,681.67 and 60,132.62 is: 90,198.92
Step by Step Solution
- Step 1: Write the proportion equation
247,121.12 : 370,681.67 = 60,132.62 : x - Step 2: Convert to fraction form
247,121.12/370,681.67 = 60,132.62/x - Step 3: Cross multiply
247,121.12x = 370,681.67 × 60,132.62 - Step 4: Simplify right side
247,121.12x = 22,290,057,849.00 - Step 5: Solve for x
x = 22,290,057,849.00/247,121.12 - Step 6: Final answer
x = 90,198.92
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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.