Finding the Fourth Proportional to 437,087.68, 655,296.72 and 137,394.88
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Solution
The fourth proportional to 437,087.68, 655,296.72 and 137,394.88 is: 205,987.08
Step by Step Solution
- Step 1: Write the proportion equation
437,087.68 : 655,296.72 = 137,394.88 : x - Step 2: Convert to fraction form
437,087.68/655,296.72 = 137,394.88/x - Step 3: Cross multiply
437,087.68x = 655,296.72 × 137,394.88 - Step 4: Simplify right side
437,087.68x = 90,034,414,208.79 - Step 5: Solve for x
x = 90,034,414,208.79/437,087.68 - Step 6: Final answer
x = 205,987.08
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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.