Finding the Fourth Proportional to 325,332.10, 487,998.15 and 213,717.70
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Solution
The fourth proportional to 325,332.10, 487,998.15 and 213,717.70 is: 320,576.55
Step by Step Solution
- Step 1: Write the proportion equation
325,332.10 : 487,998.15 = 213,717.70 : x - Step 2: Convert to fraction form
325,332.10/487,998.15 = 213,717.70/x - Step 3: Cross multiply
325,332.10x = 487,998.15 × 213,717.70 - Step 4: Simplify right side
325,332.10x = 104,293,842,222.26 - Step 5: Solve for x
x = 104,293,842,222.26/325,332.10 - Step 6: Final answer
x = 320,576.55
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Similar ratio
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1.5x scale
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.