Finding the Fourth Proportional to 296,586.80, 444,668.84 and 138,729.20
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Solution
The fourth proportional to 296,586.80, 444,668.84 and 138,729.20 is: 207,994.94
Step by Step Solution
- Step 1: Write the proportion equation
296,586.80 : 444,668.84 = 138,729.20 : x - Step 2: Convert to fraction form
296,586.80/444,668.84 = 138,729.20/x - Step 3: Cross multiply
296,586.80x = 444,668.84 × 138,729.20 - Step 4: Simplify right side
296,586.80x = 61,688,552,438.13 - Step 5: Solve for x
x = 61,688,552,438.13/296,586.80 - Step 6: Final answer
x = 207,994.94
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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.