Finding the Fourth Proportional to 669,079.68, 923,305.20 and 363,149.49
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Solution
The fourth proportional to 669,079.68, 923,305.20 and 363,149.49 is: 501,132.86
Step by Step Solution
- Step 1: Write the proportion equation
669,079.68 : 923,305.20 = 363,149.49 : x - Step 2: Convert to fraction form
669,079.68/923,305.20 = 363,149.49/x - Step 3: Cross multiply
669,079.68x = 923,305.20 × 363,149.49 - Step 4: Simplify right side
669,079.68x = 335,297,812,494.35 - Step 5: Solve for x
x = 335,297,812,494.35/669,079.68 - Step 6: Final answer
x = 501,132.86
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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.