Finding the Fourth Proportional to 92,381.73, 138,577.54 and 29,197.05
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Solution
The fourth proportional to 92,381.73, 138,577.54 and 29,197.05 is: 43,797.14
Step by Step Solution
- Step 1: Write the proportion equation
92,381.73 : 138,577.54 = 29,197.05 : x - Step 2: Convert to fraction form
92,381.73/138,577.54 = 29,197.05/x - Step 3: Cross multiply
92,381.73x = 138,577.54 × 29,197.05 - Step 4: Simplify right side
92,381.73x = 4,046,055,364.26 - Step 5: Solve for x
x = 4,046,055,364.26/92,381.73 - Step 6: Final answer
x = 43,797.14
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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.