Finding the Fourth Proportional to 118,251.20, 177,463.20 and 83,259.20
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Solution
The fourth proportional to 118,251.20, 177,463.20 and 83,259.20 is: 124,949.63
Step by Step Solution
- Step 1: Write the proportion equation
118,251.20 : 177,463.20 = 83,259.20 : x - Step 2: Convert to fraction form
118,251.20/177,463.20 = 83,259.20/x - Step 3: Cross multiply
118,251.20x = 177,463.20 × 83,259.20 - Step 4: Simplify right side
118,251.20x = 14,775,444,061.44 - Step 5: Solve for x
x = 14,775,444,061.44/118,251.20 - Step 6: Final answer
x = 124,949.63
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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.