Finding the Fourth Proportional to 361,763.20, 542,722.76 and 121,901.14
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Solution
The fourth proportional to 361,763.20, 542,722.76 and 121,901.14 is: 182,877.98
Step by Step Solution
- Step 1: Write the proportion equation
361,763.20 : 542,722.76 = 121,901.14 : x - Step 2: Convert to fraction form
361,763.20/542,722.76 = 121,901.14/x - Step 3: Cross multiply
361,763.20x = 542,722.76 × 121,901.14 - Step 4: Simplify right side
361,763.20x = 66,158,523,147.95 - Step 5: Solve for x
x = 66,158,523,147.95/361,763.20 - Step 6: Final answer
x = 182,877.98
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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.