Finding the Fourth Proportional to 448,101.80, 672,152.70 and 282,213.80
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Solution
The fourth proportional to 448,101.80, 672,152.70 and 282,213.80 is: 423,320.70
Step by Step Solution
- Step 1: Write the proportion equation
448,101.80 : 672,152.70 = 282,213.80 : x - Step 2: Convert to fraction form
448,101.80/672,152.70 = 282,213.80/x - Step 3: Cross multiply
448,101.80x = 672,152.70 × 282,213.80 - Step 4: Simplify right side
448,101.80x = 189,690,767,647.26 - Step 5: Solve for x
x = 189,690,767,647.26/448,101.80 - Step 6: Final answer
x = 423,320.70
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1.5x scale
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.