Finding the Fourth Proportional to 102,468.21, 153,684.93 and 27,571.66
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Solution
The fourth proportional to 102,468.21, 153,684.93 and 27,571.66 is: 41,352.82
Step by Step Solution
- Step 1: Write the proportion equation
102,468.21 : 153,684.93 = 27,571.66 : x - Step 2: Convert to fraction form
102,468.21/153,684.93 = 27,571.66/x - Step 3: Cross multiply
102,468.21x = 153,684.93 × 27,571.66 - Step 4: Simplify right side
102,468.21x = 4,237,349,127.94 - Step 5: Solve for x
x = 4,237,349,127.94/102,468.21 - Step 6: Final answer
x = 41,352.82
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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.