Finding the Fourth Proportional to 102,030.99, 153,046.26 and 27,151.14
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Solution
The fourth proportional to 102,030.99, 153,046.26 and 27,151.14 is: 40,726.65
Step by Step Solution
- Step 1: Write the proportion equation
102,030.99 : 153,046.26 = 27,151.14 : x - Step 2: Convert to fraction form
102,030.99/153,046.26 = 27,151.14/x - Step 3: Cross multiply
102,030.99x = 153,046.26 × 27,151.14 - Step 4: Simplify right side
102,030.99x = 4,155,380,431.74 - Step 5: Solve for x
x = 4,155,380,431.74/102,030.99 - Step 6: Final answer
x = 40,726.65
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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.