Finding the Fourth Proportional to 199,757.12, 275,655.20 and 110,331.20
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Solution
The fourth proportional to 199,757.12, 275,655.20 and 110,331.20 is: 152,251.74
Step by Step Solution
- Step 1: Write the proportion equation
199,757.12 : 275,655.20 = 110,331.20 : x - Step 2: Convert to fraction form
199,757.12/275,655.20 = 110,331.20/x - Step 3: Cross multiply
199,757.12x = 275,655.20 × 110,331.20 - Step 4: Simplify right side
199,757.12x = 30,413,369,002.24 - Step 5: Solve for x
x = 30,413,369,002.24/199,757.12 - Step 6: Final answer
x = 152,251.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.