Finding the Fourth Proportional to 173,821.22, 239,981.66 and 133,454.66
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Solution
The fourth proportional to 173,821.22, 239,981.66 and 133,454.66 is: 184,250.65
Step by Step Solution
- Step 1: Write the proportion equation
173,821.22 : 239,981.66 = 133,454.66 : x - Step 2: Convert to fraction form
173,821.22/239,981.66 = 133,454.66/x - Step 3: Cross multiply
173,821.22x = 239,981.66 × 133,454.66 - Step 4: Simplify right side
173,821.22x = 32,026,671,775.13 - Step 5: Solve for x
x = 32,026,671,775.13/173,821.22 - Step 6: Final answer
x = 184,250.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.