Finding the Fourth Proportional to 298,544.16, 447,809.28 and 121,003.68
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Solution
The fourth proportional to 298,544.16, 447,809.28 and 121,003.68 is: 181,502.70
Step by Step Solution
- Step 1: Write the proportion equation
298,544.16 : 447,809.28 = 121,003.68 : x - Step 2: Convert to fraction form
298,544.16/447,809.28 = 121,003.68/x - Step 3: Cross multiply
298,544.16x = 447,809.28 × 121,003.68 - Step 4: Simplify right side
298,544.16x = 54,186,570,818.15 - Step 5: Solve for x
x = 54,186,570,818.15/298,544.16 - Step 6: Final answer
x = 181,502.70
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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.