Finding the Fourth Proportional to 298,785.66, 448,304.49 and 121,246.62
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Solution
The fourth proportional to 298,785.66, 448,304.49 and 121,246.62 is: 181,921.06
Step by Step Solution
- Step 1: Write the proportion equation
298,785.66 : 448,304.49 = 121,246.62 : x - Step 2: Convert to fraction form
298,785.66/448,304.49 = 121,246.62/x - Step 3: Cross multiply
298,785.66x = 448,304.49 × 121,246.62 - Step 4: Simplify right side
298,785.66x = 54,355,404,143.32 - Step 5: Solve for x
x = 54,355,404,143.32/298,785.66 - Step 6: Final answer
x = 181,921.06
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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.