Finding the Fourth Proportional to 300,562.92, 449,968.68 and 158,070.15
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Solution
The fourth proportional to 300,562.92, 449,968.68 and 158,070.15 is: 236,644.68
Step by Step Solution
- Step 1: Write the proportion equation
300,562.92 : 449,968.68 = 158,070.15 : x - Step 2: Convert to fraction form
300,562.92/449,968.68 = 158,070.15/x - Step 3: Cross multiply
300,562.92x = 449,968.68 × 158,070.15 - Step 4: Simplify right side
300,562.92x = 71,126,616,742.90 - Step 5: Solve for x
x = 71,126,616,742.90/300,562.92 - Step 6: Final answer
x = 236,644.68
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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.