Finding the Fourth Proportional to 406,546.50, 609,849.83 and 122,214.63
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Solution
The fourth proportional to 406,546.50, 609,849.83 and 122,214.63 is: 183,330.99
Step by Step Solution
- Step 1: Write the proportion equation
406,546.50 : 609,849.83 = 122,214.63 : x - Step 2: Convert to fraction form
406,546.50/609,849.83 = 122,214.63/x - Step 3: Cross multiply
406,546.50x = 609,849.83 × 122,214.63 - Step 4: Simplify right side
406,546.50x = 74,532,571,329.01 - Step 5: Solve for x
x = 74,532,571,329.01/406,546.50 - Step 6: Final answer
x = 183,330.99
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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.