Finding the Fourth Proportional to 556,090.20, 834,135.30 and 201,115.80
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Solution
The fourth proportional to 556,090.20, 834,135.30 and 201,115.80 is: 301,673.70
Step by Step Solution
- Step 1: Write the proportion equation
556,090.20 : 834,135.30 = 201,115.80 : x - Step 2: Convert to fraction form
556,090.20/834,135.30 = 201,115.80/x - Step 3: Cross multiply
556,090.20x = 834,135.30 × 201,115.80 - Step 4: Simplify right side
556,090.20x = 167,757,788,167.74 - Step 5: Solve for x
x = 167,757,788,167.74/556,090.20 - Step 6: Final answer
x = 301,673.70
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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.