Finding the Fourth Proportional to 551,708.20, 827,562.30 and 299,765.80
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Solution
The fourth proportional to 551,708.20, 827,562.30 and 299,765.80 is: 449,648.70
Step by Step Solution
- Step 1: Write the proportion equation
551,708.20 : 827,562.30 = 299,765.80 : x - Step 2: Convert to fraction form
551,708.20/827,562.30 = 299,765.80/x - Step 3: Cross multiply
551,708.20x = 827,562.30 × 299,765.80 - Step 4: Simplify right side
551,708.20x = 248,074,874,909.34 - Step 5: Solve for x
x = 248,074,874,909.34/551,708.20 - Step 6: Final answer
x = 449,648.70
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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.