Finding the Fourth Proportional to 163,954.14, 245,965.77 and 53,137.50
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Solution
The fourth proportional to 163,954.14, 245,965.77 and 53,137.50 is: 79,717.45
Step by Step Solution
- Step 1: Write the proportion equation
163,954.14 : 245,965.77 = 53,137.50 : x - Step 2: Convert to fraction form
163,954.14/245,965.77 = 53,137.50/x - Step 3: Cross multiply
163,954.14x = 245,965.77 × 53,137.50 - Step 4: Simplify right side
163,954.14x = 13,070,006,103.38 - Step 5: Solve for x
x = 13,070,006,103.38/163,954.14 - Step 6: Final answer
x = 79,717.45
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1.5x scale
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.