Finding the Fourth Proportional to 303,542.08, 455,380.80 and 93,201.28
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Solution
The fourth proportional to 303,542.08, 455,380.80 and 93,201.28 is: 139,822.70
Step by Step Solution
- Step 1: Write the proportion equation
303,542.08 : 455,380.80 = 93,201.28 : x - Step 2: Convert to fraction form
303,542.08/455,380.80 = 93,201.28/x - Step 3: Cross multiply
303,542.08x = 455,380.80 × 93,201.28 - Step 4: Simplify right side
303,542.08x = 42,442,073,447.42 - Step 5: Solve for x
x = 42,442,073,447.42/303,542.08 - Step 6: Final answer
x = 139,822.70
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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.