Finding the Fourth Proportional to 318,508.97, 439,543.94 and 182,551.01
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Solution
The fourth proportional to 318,508.97, 439,543.94 and 182,551.01 is: 251,921.28
Step by Step Solution
- Step 1: Write the proportion equation
318,508.97 : 439,543.94 = 182,551.01 : x - Step 2: Convert to fraction form
318,508.97/439,543.94 = 182,551.01/x - Step 3: Cross multiply
318,508.97x = 439,543.94 × 182,551.01 - Step 4: Simplify right side
318,508.97x = 80,239,187,075.90 - Step 5: Solve for x
x = 80,239,187,075.90/318,508.97 - Step 6: Final answer
x = 251,921.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.