Finding the Fourth Proportional to 412,177.08, 618,354.32 and 127,861.96
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Solution
The fourth proportional to 412,177.08, 618,354.32 and 127,861.96 is: 191,820.46
Step by Step Solution
- Step 1: Write the proportion equation
412,177.08 : 618,354.32 = 127,861.96 : x - Step 2: Convert to fraction form
412,177.08/618,354.32 = 127,861.96/x - Step 3: Cross multiply
412,177.08x = 618,354.32 × 127,861.96 - Step 4: Simplify right side
412,177.08x = 79,063,995,329.67 - Step 5: Solve for x
x = 79,063,995,329.67/412,177.08 - Step 6: Final answer
x = 191,820.46
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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.