Finding the Fourth Proportional to 92,316.51, 138,506.99 and 29,146.41
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Solution
The fourth proportional to 92,316.51, 138,506.99 and 29,146.41 is: 43,729.79
Step by Step Solution
- Step 1: Write the proportion equation
92,316.51 : 138,506.99 = 29,146.41 : x - Step 2: Convert to fraction form
92,316.51/138,506.99 = 29,146.41/x - Step 3: Cross multiply
92,316.51x = 138,506.99 × 29,146.41 - Step 4: Simplify right side
92,316.51x = 4,036,981,372.67 - Step 5: Solve for x
x = 4,036,981,372.67/92,316.51 - Step 6: Final answer
x = 43,729.79
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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.