Finding the Fourth Proportional to 219,615.50, 329,547.84 and 101,286.92
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Solution
The fourth proportional to 219,615.50, 329,547.84 and 101,286.92 is: 151,987.84
Step by Step Solution
- Step 1: Write the proportion equation
219,615.50 : 329,547.84 = 101,286.92 : x - Step 2: Convert to fraction form
219,615.50/329,547.84 = 101,286.92/x - Step 3: Cross multiply
219,615.50x = 329,547.84 × 101,286.92 - Step 4: Simplify right side
219,615.50x = 33,378,885,706.25 - Step 5: Solve for x
x = 33,378,885,706.25/219,615.50 - Step 6: Final answer
x = 151,987.84
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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.