Finding the Fourth Proportional to 217,509.62, 326,383.35 and 84,395.13
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Solution
The fourth proportional to 217,509.62, 326,383.35 and 84,395.13 is: 126,638.84
Step by Step Solution
- Step 1: Write the proportion equation
217,509.62 : 326,383.35 = 84,395.13 : x - Step 2: Convert to fraction form
217,509.62/326,383.35 = 84,395.13/x - Step 3: Cross multiply
217,509.62x = 326,383.35 × 84,395.13 - Step 4: Simplify right side
217,509.62x = 27,545,165,253.09 - Step 5: Solve for x
x = 27,545,165,253.09/217,509.62 - Step 6: Final answer
x = 126,638.84
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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.