Finding the Fourth Proportional to 407,460.65, 611,307.61 and 197,217.05
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Solution
The fourth proportional to 407,460.65, 611,307.61 and 197,217.05 is: 295,882.02
Step by Step Solution
- Step 1: Write the proportion equation
407,460.65 : 611,307.61 = 197,217.05 : x - Step 2: Convert to fraction form
407,460.65/611,307.61 = 197,217.05/x - Step 3: Cross multiply
407,460.65x = 611,307.61 × 197,217.05 - Step 4: Simplify right side
407,460.65x = 120,560,279,937.17 - Step 5: Solve for x
x = 120,560,279,937.17/407,460.65 - Step 6: Final answer
x = 295,882.02
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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.