Finding the Fourth Proportional to 606,218.96, 909,328.28 and 206,859.70
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Solution
The fourth proportional to 606,218.96, 909,328.28 and 206,859.70 is: 310,289.50
Step by Step Solution
- Step 1: Write the proportion equation
606,218.96 : 909,328.28 = 206,859.70 : x - Step 2: Convert to fraction form
606,218.96/909,328.28 = 206,859.70/x - Step 3: Cross multiply
606,218.96x = 909,328.28 × 206,859.70 - Step 4: Simplify right side
606,218.96x = 188,103,375,202.32 - Step 5: Solve for x
x = 188,103,375,202.32/606,218.96 - Step 6: Final answer
x = 310,289.50
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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.