Finding the Fourth Proportional to 260,989.85, 391,492.92 and 124,182.99
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Solution
The fourth proportional to 260,989.85, 391,492.92 and 124,182.99 is: 186,278.36
Step by Step Solution
- Step 1: Write the proportion equation
260,989.85 : 391,492.92 = 124,182.99 : x - Step 2: Convert to fraction form
260,989.85/391,492.92 = 124,182.99/x - Step 3: Cross multiply
260,989.85x = 391,492.92 × 124,182.99 - Step 4: Simplify right side
260,989.85x = 48,616,761,369.43 - Step 5: Solve for x
x = 48,616,761,369.43/260,989.85 - Step 6: Final answer
x = 186,278.36
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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.