Finding the Fourth Proportional to 215,477.98, 323,108.83 and 125,549.75
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Solution
The fourth proportional to 215,477.98, 323,108.83 and 125,549.75 is: 188,261.62
Step by Step Solution
- Step 1: Write the proportion equation
215,477.98 : 323,108.83 = 125,549.75 : x - Step 2: Convert to fraction form
215,477.98/323,108.83 = 125,549.75/x - Step 3: Cross multiply
215,477.98x = 323,108.83 × 125,549.75 - Step 4: Simplify right side
215,477.98x = 40,566,233,794.00 - Step 5: Solve for x
x = 40,566,233,794.00/215,477.98 - Step 6: Final answer
x = 188,261.62
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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.