Finding the Fourth Proportional to 118,169.20, 177,276.85 and 38,226.99
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Solution
The fourth proportional to 118,169.20, 177,276.85 and 38,226.99 is: 57,347.94
Step by Step Solution
- Step 1: Write the proportion equation
118,169.20 : 177,276.85 = 38,226.99 : x - Step 2: Convert to fraction form
118,169.20/177,276.85 = 38,226.99/x - Step 3: Cross multiply
118,169.20x = 177,276.85 × 38,226.99 - Step 4: Simplify right side
118,169.20x = 6,776,760,159.25 - Step 5: Solve for x
x = 6,776,760,159.25/118,169.20 - Step 6: Final answer
x = 57,347.94
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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.