Finding the Fourth Proportional to 161,444.30, 242,175.56 and 49,128.18
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Solution
The fourth proportional to 161,444.30, 242,175.56 and 49,128.18 is: 73,695.03
Step by Step Solution
- Step 1: Write the proportion equation
161,444.30 : 242,175.56 = 49,128.18 : x - Step 2: Convert to fraction form
161,444.30/242,175.56 = 49,128.18/x - Step 3: Cross multiply
161,444.30x = 242,175.56 × 49,128.18 - Step 4: Simplify right side
161,444.30x = 11,897,643,046.76 - Step 5: Solve for x
x = 11,897,643,046.76/161,444.30 - Step 6: Final answer
x = 73,695.03
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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.