Finding the Fourth Proportional to 556,627.20, 834,940.80 and 201,652.80
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Solution
The fourth proportional to 556,627.20, 834,940.80 and 201,652.80 is: 302,479.20
Step by Step Solution
- Step 1: Write the proportion equation
556,627.20 : 834,940.80 = 201,652.80 : x - Step 2: Convert to fraction form
556,627.20/834,940.80 = 201,652.80/x - Step 3: Cross multiply
556,627.20x = 834,940.80 × 201,652.80 - Step 4: Simplify right side
556,627.20x = 168,368,150,154.24 - Step 5: Solve for x
x = 168,368,150,154.24/556,627.20 - Step 6: Final answer
x = 302,479.20
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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.