Finding the Fourth Proportional to 448,748.92, 672,955.36 and 149,174.20
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Solution
The fourth proportional to 448,748.92, 672,955.36 and 149,174.20 is: 223,705.45
Step by Step Solution
- Step 1: Write the proportion equation
448,748.92 : 672,955.36 = 149,174.20 : x - Step 2: Convert to fraction form
448,748.92/672,955.36 = 149,174.20/x - Step 3: Cross multiply
448,748.92x = 672,955.36 × 149,174.20 - Step 4: Simplify right side
448,748.92x = 100,387,577,463.71 - Step 5: Solve for x
x = 100,387,577,463.71/448,748.92 - Step 6: Final answer
x = 223,705.45
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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.