Finding the Fourth Proportional to 173,409.20, 260,113.80 and 55,089.80
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Solution
The fourth proportional to 173,409.20, 260,113.80 and 55,089.80 is: 82,634.70
Step by Step Solution
- Step 1: Write the proportion equation
173,409.20 : 260,113.80 = 55,089.80 : x - Step 2: Convert to fraction form
173,409.20/260,113.80 = 55,089.80/x - Step 3: Cross multiply
173,409.20x = 260,113.80 × 55,089.80 - Step 4: Simplify right side
173,409.20x = 14,329,617,219.24 - Step 5: Solve for x
x = 14,329,617,219.24/173,409.20 - Step 6: Final answer
x = 82,634.70
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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.