Finding the Fourth Proportional to 153,986.11, 230,979.17 and 48,805.08
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Solution
The fourth proportional to 153,986.11, 230,979.17 and 48,805.08 is: 73,207.62
Step by Step Solution
- Step 1: Write the proportion equation
153,986.11 : 230,979.17 = 48,805.08 : x - Step 2: Convert to fraction form
153,986.11/230,979.17 = 48,805.08/x - Step 3: Cross multiply
153,986.11x = 230,979.17 × 48,805.08 - Step 4: Simplify right side
153,986.11x = 11,272,956,870.18 - Step 5: Solve for x
x = 11,272,956,870.18/153,986.11 - Step 6: Final answer
x = 73,207.62
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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.