Finding the Fourth Proportional to 403,934.20, 605,901.30 and 235,644.55
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Solution
The fourth proportional to 403,934.20, 605,901.30 and 235,644.55 is: 353,466.83
Step by Step Solution
- Step 1: Write the proportion equation
403,934.20 : 605,901.30 = 235,644.55 : x - Step 2: Convert to fraction form
403,934.20/605,901.30 = 235,644.55/x - Step 3: Cross multiply
403,934.20x = 605,901.30 × 235,644.55 - Step 4: Simplify right side
403,934.20x = 142,777,339,182.92 - Step 5: Solve for x
x = 142,777,339,182.92/403,934.20 - Step 6: Final answer
x = 353,466.83
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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.