Finding the Fourth Proportional to 272,356.44, 375,825.49 and 157,612.29
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Solution
The fourth proportional to 272,356.44, 375,825.49 and 157,612.29 is: 217,489.68
Step by Step Solution
- Step 1: Write the proportion equation
272,356.44 : 375,825.49 = 157,612.29 : x - Step 2: Convert to fraction form
272,356.44/375,825.49 = 157,612.29/x - Step 3: Cross multiply
272,356.44x = 375,825.49 × 157,612.29 - Step 4: Simplify right side
272,356.44x = 59,234,716,119.27 - Step 5: Solve for x
x = 59,234,716,119.27/272,356.44 - Step 6: Final answer
x = 217,489.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.