Finding the Fourth Proportional to 168,980.29, 253,438.14 and 50,651.62
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Solution
The fourth proportional to 168,980.29, 253,438.14 and 50,651.62 is: 75,967.75
Step by Step Solution
- Step 1: Write the proportion equation
168,980.29 : 253,438.14 = 50,651.62 : x - Step 2: Convert to fraction form
168,980.29/253,438.14 = 50,651.62/x - Step 3: Cross multiply
168,980.29x = 253,438.14 × 50,651.62 - Step 4: Simplify right side
168,980.29x = 12,837,052,360.79 - Step 5: Solve for x
x = 12,837,052,360.79/168,980.29 - Step 6: Final answer
x = 75,967.75
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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.