Finding the Fourth Proportional to 355,366.68, 490,544.28 and 240,589.20
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Solution
The fourth proportional to 355,366.68, 490,544.28 and 240,589.20 is: 332,106.70
Step by Step Solution
- Step 1: Write the proportion equation
355,366.68 : 490,544.28 = 240,589.20 : x - Step 2: Convert to fraction form
355,366.68/490,544.28 = 240,589.20/x - Step 3: Cross multiply
355,366.68x = 490,544.28 × 240,589.20 - Step 4: Simplify right side
355,366.68x = 118,019,655,889.78 - Step 5: Solve for x
x = 118,019,655,889.78/355,366.68 - Step 6: Final answer
x = 332,106.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.