Finding the Fourth Proportional to 261,371.91, 392,011.02 and 69,247.62
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Solution
The fourth proportional to 261,371.91, 392,011.02 and 69,247.62 is: 103,859.02
Step by Step Solution
- Step 1: Write the proportion equation
261,371.91 : 392,011.02 = 69,247.62 : x - Step 2: Convert to fraction form
261,371.91/392,011.02 = 69,247.62/x - Step 3: Cross multiply
261,371.91x = 392,011.02 × 69,247.62 - Step 4: Simplify right side
261,371.91x = 27,145,830,148.77 - Step 5: Solve for x
x = 27,145,830,148.77/261,371.91 - Step 6: Final answer
x = 103,859.02
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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.