Finding the Fourth Proportional to 247,345.20, 370,520.25 and 187,476.08
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Solution
The fourth proportional to 247,345.20, 370,520.25 and 187,476.08 is: 280,836.99
Step by Step Solution
- Step 1: Write the proportion equation
247,345.20 : 370,520.25 = 187,476.08 : x - Step 2: Convert to fraction form
247,345.20/370,520.25 = 187,476.08/x - Step 3: Cross multiply
247,345.20x = 370,520.25 × 187,476.08 - Step 4: Simplify right side
247,345.20x = 69,463,682,178.02 - Step 5: Solve for x
x = 69,463,682,178.02/247,345.20 - Step 6: Final answer
x = 280,836.99
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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.