Finding the Fourth Proportional to 247,246.20, 370,772.25 and 87,287.99
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Solution
The fourth proportional to 247,246.20, 370,772.25 and 87,287.99 is: 130,897.73
Step by Step Solution
- Step 1: Write the proportion equation
247,246.20 : 370,772.25 = 87,287.99 : x - Step 2: Convert to fraction form
247,246.20/370,772.25 = 87,287.99/x - Step 3: Cross multiply
247,246.20x = 370,772.25 × 87,287.99 - Step 4: Simplify right side
247,246.20x = 32,363,965,840.67 - Step 5: Solve for x
x = 32,363,965,840.67/247,246.20 - Step 6: Final answer
x = 130,897.73
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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.