Finding the Fourth Proportional to 556,639.20, 835,153.20 and 201,664.80
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Solution
The fourth proportional to 556,639.20, 835,153.20 and 201,664.80 is: 302,567.63
Step by Step Solution
- Step 1: Write the proportion equation
556,639.20 : 835,153.20 = 201,664.80 : x - Step 2: Convert to fraction form
556,639.20/835,153.20 = 201,664.80/x - Step 3: Cross multiply
556,639.20x = 835,153.20 × 201,664.80 - Step 4: Simplify right side
556,639.20x = 168,421,003,047.36 - Step 5: Solve for x
x = 168,421,003,047.36/556,639.20 - Step 6: Final answer
x = 302,567.63
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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.