Finding the Fourth Proportional to 219,760.84, 329,638.74 and 53,548.84
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Solution
The fourth proportional to 219,760.84, 329,638.74 and 53,548.84 is: 80,322.65
Step by Step Solution
- Step 1: Write the proportion equation
219,760.84 : 329,638.74 = 53,548.84 : x - Step 2: Convert to fraction form
219,760.84/329,638.74 = 53,548.84/x - Step 3: Cross multiply
219,760.84x = 329,638.74 × 53,548.84 - Step 4: Simplify right side
219,760.84x = 17,651,772,146.06 - Step 5: Solve for x
x = 17,651,772,146.06/219,760.84 - Step 6: Final answer
x = 80,322.65
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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.