Finding the Fourth Proportional to 207,089.76, 310,635.05 and 57,330.48
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Solution
The fourth proportional to 207,089.76, 310,635.05 and 57,330.48 is: 85,995.83
Step by Step Solution
- Step 1: Write the proportion equation
207,089.76 : 310,635.05 = 57,330.48 : x - Step 2: Convert to fraction form
207,089.76/310,635.05 = 57,330.48/x - Step 3: Cross multiply
207,089.76x = 310,635.05 × 57,330.48 - Step 4: Simplify right side
207,089.76x = 17,808,856,234.67 - Step 5: Solve for x
x = 17,808,856,234.67/207,089.76 - Step 6: Final answer
x = 85,995.83
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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.