Finding the Fourth Proportional to 118,516.61, 177,775.08 and 48,395.92
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Solution
The fourth proportional to 118,516.61, 177,775.08 and 48,395.92 is: 72,593.95
Step by Step Solution
- Step 1: Write the proportion equation
118,516.61 : 177,775.08 = 48,395.92 : x - Step 2: Convert to fraction form
118,516.61/177,775.08 = 48,395.92/x - Step 3: Cross multiply
118,516.61x = 177,775.08 × 48,395.92 - Step 4: Simplify right side
118,516.61x = 8,603,588,143.20 - Step 5: Solve for x
x = 8,603,588,143.20/118,516.61 - Step 6: Final answer
x = 72,593.95
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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.