Finding the Fourth Proportional to 102,001.47, 153,001.99 and 27,121.62
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Solution
The fourth proportional to 102,001.47, 153,001.99 and 27,121.62 is: 40,682.37
Step by Step Solution
- Step 1: Write the proportion equation
102,001.47 : 153,001.99 = 27,121.62 : x - Step 2: Convert to fraction form
102,001.47/153,001.99 = 27,121.62/x - Step 3: Cross multiply
102,001.47x = 153,001.99 × 27,121.62 - Step 4: Simplify right side
102,001.47x = 4,149,661,832.02 - Step 5: Solve for x
x = 4,149,661,832.02/102,001.47 - Step 6: Final answer
x = 40,682.37
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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.