Finding the Fourth Proportional to 814,237.43, 1,221,366.53 and 215,193.41
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Solution
The fourth proportional to 814,237.43, 1,221,366.53 and 215,193.41 is: 322,792.85
Step by Step Solution
- Step 1: Write the proportion equation
814,237.43 : 1,221,366.53 = 215,193.41 : x - Step 2: Convert to fraction form
814,237.43/1,221,366.53 = 215,193.41/x - Step 3: Cross multiply
814,237.43x = 1,221,366.53 × 215,193.41 - Step 4: Simplify right side
814,237.43x = 262,830,021,267.77 - Step 5: Solve for x
x = 262,830,021,267.77/814,237.43 - Step 6: Final answer
x = 322,792.85
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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.