Finding the Fourth Proportional to 556,838.20, 835,257.30 and 201,863.80
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Solution
The fourth proportional to 556,838.20, 835,257.30 and 201,863.80 is: 302,795.70
Step by Step Solution
- Step 1: Write the proportion equation
556,838.20 : 835,257.30 = 201,863.80 : x - Step 2: Convert to fraction form
556,838.20/835,257.30 = 201,863.80/x - Step 3: Cross multiply
556,838.20x = 835,257.30 × 201,863.80 - Step 4: Simplify right side
556,838.20x = 168,608,212,555.74 - Step 5: Solve for x
x = 168,608,212,555.74/556,838.20 - Step 6: Final answer
x = 302,795.70
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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.