Finding the Fourth Proportional to 447,292.67, 617,265.34 and 243,343.54
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Solution
The fourth proportional to 447,292.67, 617,265.34 and 243,343.54 is: 335,814.88
Step by Step Solution
- Step 1: Write the proportion equation
447,292.67 : 617,265.34 = 243,343.54 : x - Step 2: Convert to fraction form
447,292.67/617,265.34 = 243,343.54/x - Step 3: Cross multiply
447,292.67x = 617,265.34 × 243,343.54 - Step 4: Simplify right side
447,292.67x = 150,207,534,486.93 - Step 5: Solve for x
x = 150,207,534,486.93/447,292.67 - Step 6: Final answer
x = 335,814.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.