Finding the Fourth Proportional to 207,585.06, 311,421.33 and 67,332.75
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Solution
The fourth proportional to 207,585.06, 311,421.33 and 67,332.75 is: 101,013.31
Step by Step Solution
- Step 1: Write the proportion equation
207,585.06 : 311,421.33 = 67,332.75 : x - Step 2: Convert to fraction form
207,585.06/311,421.33 = 67,332.75/x - Step 3: Cross multiply
207,585.06x = 311,421.33 × 67,332.75 - Step 4: Simplify right side
207,585.06x = 20,968,854,557.56 - Step 5: Solve for x
x = 20,968,854,557.56/207,585.06 - Step 6: Final answer
x = 101,013.31
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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.