Finding the Fourth Proportional to 173,153.04, 259,764.84 and 78,337.68
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Solution
The fourth proportional to 173,153.04, 259,764.84 and 78,337.68 is: 117,522.48
Step by Step Solution
- Step 1: Write the proportion equation
173,153.04 : 259,764.84 = 78,337.68 : x - Step 2: Convert to fraction form
173,153.04/259,764.84 = 78,337.68/x - Step 3: Cross multiply
173,153.04x = 259,764.84 × 78,337.68 - Step 4: Simplify right side
173,153.04x = 20,349,374,911.17 - Step 5: Solve for x
x = 20,349,374,911.17/173,153.04 - Step 6: Final answer
x = 117,522.48
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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.