Finding the Fourth Proportional to 117,291.52, 175,910.30 and 69,919.99
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Solution
The fourth proportional to 117,291.52, 175,910.30 and 69,919.99 is: 104,863.90
Step by Step Solution
- Step 1: Write the proportion equation
117,291.52 : 175,910.30 = 69,919.99 : x - Step 2: Convert to fraction form
117,291.52/175,910.30 = 69,919.99/x - Step 3: Cross multiply
117,291.52x = 175,910.30 × 69,919.99 - Step 4: Simplify right side
117,291.52x = 12,299,645,889.72 - Step 5: Solve for x
x = 12,299,645,889.72/117,291.52 - Step 6: Final answer
x = 104,863.90
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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.