Finding the Fourth Proportional to 141,302.28, 211,952.88 and 36,121.08
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Solution
The fourth proportional to 141,302.28, 211,952.88 and 36,121.08 is: 54,181.48
Step by Step Solution
- Step 1: Write the proportion equation
141,302.28 : 211,952.88 = 36,121.08 : x - Step 2: Convert to fraction form
141,302.28/211,952.88 = 36,121.08/x - Step 3: Cross multiply
141,302.28x = 211,952.88 × 36,121.08 - Step 4: Simplify right side
141,302.28x = 7,655,966,934.71 - Step 5: Solve for x
x = 7,655,966,934.71/141,302.28 - Step 6: Final answer
x = 54,181.48
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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.