Finding the Fourth Proportional to 448,616.71, 672,924.99 and 133,070.88
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Solution
The fourth proportional to 448,616.71, 672,924.99 and 133,070.88 is: 199,606.30
Step by Step Solution
- Step 1: Write the proportion equation
448,616.71 : 672,924.99 = 133,070.88 : x - Step 2: Convert to fraction form
448,616.71/672,924.99 = 133,070.88/x - Step 3: Cross multiply
448,616.71x = 672,924.99 × 133,070.88 - Step 4: Simplify right side
448,616.71x = 89,546,720,593.29 - Step 5: Solve for x
x = 89,546,720,593.29/448,616.71 - Step 6: Final answer
x = 199,606.30
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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.