Finding the Fourth Proportional to 556,477.20, 834,715.80 and 201,745.80
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Solution
The fourth proportional to 556,477.20, 834,715.80 and 201,745.80 is: 302,618.70
Step by Step Solution
- Step 1: Write the proportion equation
556,477.20 : 834,715.80 = 201,745.80 : x - Step 2: Convert to fraction form
556,477.20/834,715.80 = 201,745.80/x - Step 3: Cross multiply
556,477.20x = 834,715.80 × 201,745.80 - Step 4: Simplify right side
556,477.20x = 168,400,406,843.64 - Step 5: Solve for x
x = 168,400,406,843.64/556,477.20 - Step 6: Final answer
x = 302,618.70
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1.5x scale
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.