Finding the Fourth Proportional to 342,616.36, 513,958.74 and 117,947.05
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Solution
The fourth proportional to 342,616.36, 513,958.74 and 117,947.05 is: 176,932.35
Step by Step Solution
- Step 1: Write the proportion equation
342,616.36 : 513,958.74 = 117,947.05 : x - Step 2: Convert to fraction form
342,616.36/513,958.74 = 117,947.05/x - Step 3: Cross multiply
342,616.36x = 513,958.74 × 117,947.05 - Step 4: Simplify right side
342,616.36x = 60,619,917,204.72 - Step 5: Solve for x
x = 60,619,917,204.72/342,616.36 - Step 6: Final answer
x = 176,932.35
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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.