Finding the Fourth Proportional to 448,587.99, 672,767.01 and 132,971.09
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Solution
The fourth proportional to 448,587.99, 672,767.01 and 132,971.09 is: 199,422.55
Step by Step Solution
- Step 1: Write the proportion equation
448,587.99 : 672,767.01 = 132,971.09 : x - Step 2: Convert to fraction form
448,587.99/672,767.01 = 132,971.09/x - Step 3: Cross multiply
448,587.99x = 672,767.01 × 132,971.09 - Step 4: Simplify right side
448,587.99x = 89,458,559,271.91 - Step 5: Solve for x
x = 89,458,559,271.91/448,587.99 - Step 6: Final answer
x = 199,422.55
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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.