Finding the Fourth Proportional to 92,216.88, 138,297.96 and 39,614.09
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Solution
The fourth proportional to 92,216.88, 138,297.96 and 39,614.09 is: 59,409.37
Step by Step Solution
- Step 1: Write the proportion equation
92,216.88 : 138,297.96 = 39,614.09 : x - Step 2: Convert to fraction form
92,216.88/138,297.96 = 39,614.09/x - Step 3: Cross multiply
92,216.88x = 138,297.96 × 39,614.09 - Step 4: Simplify right side
92,216.88x = 5,478,547,142.77 - Step 5: Solve for x
x = 5,478,547,142.77/92,216.88 - Step 6: Final answer
x = 59,409.37
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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.