Finding the Fourth Proportional to 876,700.08, 1,315,125.08 and 308,031.75
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Solution
The fourth proportional to 876,700.08, 1,315,125.08 and 308,031.75 is: 462,073.96
Step by Step Solution
- Step 1: Write the proportion equation
876,700.08 : 1,315,125.08 = 308,031.75 : x - Step 2: Convert to fraction form
876,700.08/1,315,125.08 = 308,031.75/x - Step 3: Cross multiply
876,700.08x = 1,315,125.08 × 308,031.75 - Step 4: Simplify right side
876,700.08x = 405,100,278,321.13 - Step 5: Solve for x
x = 405,100,278,321.13/876,700.08 - Step 6: Final answer
x = 462,073.96
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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.