Finding the Fourth Proportional to 409,732.76, 565,521.97 and 266,243.70
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Solution
The fourth proportional to 409,732.76, 565,521.97 and 266,243.70 is: 367,475.28
Step by Step Solution
- Step 1: Write the proportion equation
409,732.76 : 565,521.97 = 266,243.70 : x - Step 2: Convert to fraction form
409,732.76/565,521.97 = 266,243.70/x - Step 3: Cross multiply
409,732.76x = 565,521.97 × 266,243.70 - Step 4: Simplify right side
409,732.76x = 150,566,661,724.09 - Step 5: Solve for x
x = 150,566,661,724.09/409,732.76 - Step 6: Final answer
x = 367,475.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.