Finding the Fourth Proportional to 402,223.62, 555,070.24 and 220,939.09
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Solution
The fourth proportional to 402,223.62, 555,070.24 and 220,939.09 is: 304,896.85
Step by Step Solution
- Step 1: Write the proportion equation
402,223.62 : 555,070.24 = 220,939.09 : x - Step 2: Convert to fraction form
402,223.62/555,070.24 = 220,939.09/x - Step 3: Cross multiply
402,223.62x = 555,070.24 × 220,939.09 - Step 4: Simplify right side
402,223.62x = 122,636,716,343.84 - Step 5: Solve for x
x = 122,636,716,343.84/402,223.62 - Step 6: Final answer
x = 304,896.85
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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.