Finding the Fourth Proportional to 406,414.53, 609,598.35 and 122,098.99
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Solution
The fourth proportional to 406,414.53, 609,598.35 and 122,098.99 is: 183,141.44
Step by Step Solution
- Step 1: Write the proportion equation
406,414.53 : 609,598.35 = 122,098.99 : x - Step 2: Convert to fraction form
406,414.53/609,598.35 = 122,098.99/x - Step 3: Cross multiply
406,414.53x = 609,598.35 × 122,098.99 - Step 4: Simplify right side
406,414.53x = 74,431,342,840.67 - Step 5: Solve for x
x = 74,431,342,840.67/406,414.53 - Step 6: Final answer
x = 183,141.44
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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.