Finding the Fourth Proportional to 298,750.60, 448,115.10 and 121,252.60
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Solution
The fourth proportional to 298,750.60, 448,115.10 and 121,252.60 is: 181,874.52
Step by Step Solution
- Step 1: Write the proportion equation
298,750.60 : 448,115.10 = 121,252.60 : x - Step 2: Convert to fraction form
298,750.60/448,115.10 = 121,252.60/x - Step 3: Cross multiply
298,750.60x = 448,115.10 × 121,252.60 - Step 4: Simplify right side
298,750.60x = 54,335,120,974.26 - Step 5: Solve for x
x = 54,335,120,974.26/298,750.60 - Step 6: Final answer
x = 181,874.52
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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.