Finding the Fourth Proportional to 121,665.15, 182,442.15 and 37,395.99
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Solution
The fourth proportional to 121,665.15, 182,442.15 and 37,395.99 is: 56,076.90
Step by Step Solution
- Step 1: Write the proportion equation
121,665.15 : 182,442.15 = 37,395.99 : x - Step 2: Convert to fraction form
121,665.15/182,442.15 = 37,395.99/x - Step 3: Cross multiply
121,665.15x = 182,442.15 × 37,395.99 - Step 4: Simplify right side
121,665.15x = 6,822,604,816.98 - Step 5: Solve for x
x = 6,822,604,816.98/121,665.15 - Step 6: Final answer
x = 56,076.90
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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.