Finding the Fourth Proportional to 331,544.16, 497,351.52 and 121,227.84
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Solution
The fourth proportional to 331,544.16, 497,351.52 and 121,227.84 is: 181,854.66
Step by Step Solution
- Step 1: Write the proportion equation
331,544.16 : 497,351.52 = 121,227.84 : x - Step 2: Convert to fraction form
331,544.16/497,351.52 = 121,227.84/x - Step 3: Cross multiply
331,544.16x = 497,351.52 × 121,227.84 - Step 4: Simplify right side
331,544.16x = 60,292,850,490.32 - Step 5: Solve for x
x = 60,292,850,490.32/331,544.16 - Step 6: Final answer
x = 181,854.66
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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.