Finding the Fourth Proportional to 161,721.24, 242,657.19 and 61,848.54
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Solution
The fourth proportional to 161,721.24, 242,657.19 and 61,848.54 is: 92,801.62
Step by Step Solution
- Step 1: Write the proportion equation
161,721.24 : 242,657.19 = 61,848.54 : x - Step 2: Convert to fraction form
161,721.24/242,657.19 = 61,848.54/x - Step 3: Cross multiply
161,721.24x = 242,657.19 × 61,848.54 - Step 4: Simplify right side
161,721.24x = 15,007,992,922.00 - Step 5: Solve for x
x = 15,007,992,922.00/161,721.24 - Step 6: Final answer
x = 92,801.62
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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.