Finding the Fourth Proportional to 342,742.28, 513,219.18 and 275,816.84
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Solution
The fourth proportional to 342,742.28, 513,219.18 and 275,816.84 is: 413,005.63
Step by Step Solution
- Step 1: Write the proportion equation
342,742.28 : 513,219.18 = 275,816.84 : x - Step 2: Convert to fraction form
342,742.28/513,219.18 = 275,816.84/x - Step 3: Cross multiply
342,742.28x = 513,219.18 × 275,816.84 - Step 4: Simplify right side
342,742.28x = 141,554,492,454.99 - Step 5: Solve for x
x = 141,554,492,454.99/342,742.28 - Step 6: Final answer
x = 413,005.63
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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.