Finding the Fourth Proportional to 157,103.36, 235,619.52 and 44,781.17
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Solution
The fourth proportional to 157,103.36, 235,619.52 and 44,781.17 is: 67,161.63
Step by Step Solution
- Step 1: Write the proportion equation
157,103.36 : 235,619.52 = 44,781.17 : x - Step 2: Convert to fraction form
157,103.36/235,619.52 = 44,781.17/x - Step 3: Cross multiply
157,103.36x = 235,619.52 × 44,781.17 - Step 4: Simplify right side
157,103.36x = 10,551,317,780.44 - Step 5: Solve for x
x = 10,551,317,780.44/157,103.36 - Step 6: Final answer
x = 67,161.63
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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.