Finding the Fourth Proportional to 361,013.95, 541,603.97 and 121,159.68
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Solution
The fourth proportional to 361,013.95, 541,603.97 and 121,159.68 is: 181,767.39
Step by Step Solution
- Step 1: Write the proportion equation
361,013.95 : 541,603.97 = 121,159.68 : x - Step 2: Convert to fraction form
361,013.95/541,603.97 = 121,159.68/x - Step 3: Cross multiply
361,013.95x = 541,603.97 × 121,159.68 - Step 4: Simplify right side
361,013.95x = 65,620,563,086.13 - Step 5: Solve for x
x = 65,620,563,086.13/361,013.95 - Step 6: Final answer
x = 181,767.39
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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.