Finding the Fourth Proportional to 168,882.10, 253,241.34 and 69,002.62
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Solution
The fourth proportional to 168,882.10, 253,241.34 and 69,002.62 is: 103,470.50
Step by Step Solution
- Step 1: Write the proportion equation
168,882.10 : 253,241.34 = 69,002.62 : x - Step 2: Convert to fraction form
168,882.10/253,241.34 = 69,002.62/x - Step 3: Cross multiply
168,882.10x = 253,241.34 × 69,002.62 - Step 4: Simplify right side
168,882.10x = 17,474,315,952.31 - Step 5: Solve for x
x = 17,474,315,952.31/168,882.10 - Step 6: Final answer
x = 103,470.50
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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.