Finding the Fourth Proportional to 423,226.88, 635,307.20 and 245,934.08
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Solution
The fourth proportional to 423,226.88, 635,307.20 and 245,934.08 is: 369,172.42
Step by Step Solution
- Step 1: Write the proportion equation
423,226.88 : 635,307.20 = 245,934.08 : x - Step 2: Convert to fraction form
423,226.88/635,307.20 = 245,934.08/x - Step 3: Cross multiply
423,226.88x = 635,307.20 × 245,934.08 - Step 4: Simplify right side
423,226.88x = 156,243,691,749.38 - Step 5: Solve for x
x = 156,243,691,749.38/423,226.88 - Step 6: Final answer
x = 369,172.42
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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.