Finding the Fourth Proportional to 188,631.18, 260,418.66 and 125,055.08
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Solution
The fourth proportional to 188,631.18, 260,418.66 and 125,055.08 is: 172,647.37
Step by Step Solution
- Step 1: Write the proportion equation
188,631.18 : 260,418.66 = 125,055.08 : x - Step 2: Convert to fraction form
188,631.18/260,418.66 = 125,055.08/x - Step 3: Cross multiply
188,631.18x = 260,418.66 × 125,055.08 - Step 4: Simplify right side
188,631.18x = 32,566,676,359.79 - Step 5: Solve for x
x = 32,566,676,359.79/188,631.18 - Step 6: Final answer
x = 172,647.37
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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.