Finding the Fourth Proportional to 272,119.11, 375,528.87 and 149,616.67
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Solution
The fourth proportional to 272,119.11, 375,528.87 and 149,616.67 is: 206,473.47
Step by Step Solution
- Step 1: Write the proportion equation
272,119.11 : 375,528.87 = 149,616.67 : x - Step 2: Convert to fraction form
272,119.11/375,528.87 = 149,616.67/x - Step 3: Cross multiply
272,119.11x = 375,528.87 × 149,616.67 - Step 4: Simplify right side
272,119.11x = 56,185,377,705.40 - Step 5: Solve for x
x = 56,185,377,705.40/272,119.11 - Step 6: Final answer
x = 206,473.47
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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.