Finding the Fourth Proportional to 199,235.20, 298,449.60 and 124,124.80
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Solution
The fourth proportional to 199,235.20, 298,449.60 and 124,124.80 is: 185,936.00
Step by Step Solution
- Step 1: Write the proportion equation
199,235.20 : 298,449.60 = 124,124.80 : x - Step 2: Convert to fraction form
199,235.20/298,449.60 = 124,124.80/x - Step 3: Cross multiply
199,235.20x = 298,449.60 × 124,124.80 - Step 4: Simplify right side
199,235.20x = 37,044,996,910.08 - Step 5: Solve for x
x = 37,044,996,910.08/199,235.20 - Step 6: Final answer
x = 185,936.00
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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.