Finding the Fourth Proportional to 121,579.11, 182,368.67 and 51,459.03
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Solution
The fourth proportional to 121,579.11, 182,368.67 and 51,459.03 is: 77,188.55
Step by Step Solution
- Step 1: Write the proportion equation
121,579.11 : 182,368.67 = 51,459.03 : x - Step 2: Convert to fraction form
121,579.11/182,368.67 = 51,459.03/x - Step 3: Cross multiply
121,579.11x = 182,368.67 × 51,459.03 - Step 4: Simplify right side
121,579.11x = 9,384,514,603.29 - Step 5: Solve for x
x = 9,384,514,603.29/121,579.11 - Step 6: Final answer
x = 77,188.55
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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.