Finding the Fourth Proportional to 606,431.62, 909,857.19 and 207,353.35
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Solution
The fourth proportional to 606,431.62, 909,857.19 and 207,353.35 is: 311,101.75
Step by Step Solution
- Step 1: Write the proportion equation
606,431.62 : 909,857.19 = 207,353.35 : x - Step 2: Convert to fraction form
606,431.62/909,857.19 = 207,353.35/x - Step 3: Cross multiply
606,431.62x = 909,857.19 × 207,353.35 - Step 4: Simplify right side
606,431.62x = 188,661,936,368.09 - Step 5: Solve for x
x = 188,661,936,368.09/606,431.62 - Step 6: Final answer
x = 311,101.75
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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.