Finding the Fourth Proportional to 517,155.12, 775,581.12 and 201,536.64
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Solution
The fourth proportional to 517,155.12, 775,581.12 and 201,536.64 is: 302,245.90
Step by Step Solution
- Step 1: Write the proportion equation
517,155.12 : 775,581.12 = 201,536.64 : x - Step 2: Convert to fraction form
517,155.12/775,581.12 = 201,536.64/x - Step 3: Cross multiply
517,155.12x = 775,581.12 × 201,536.64 - Step 4: Simplify right side
517,155.12x = 156,308,012,972.24 - Step 5: Solve for x
x = 156,308,012,972.24/517,155.12 - Step 6: Final answer
x = 302,245.90
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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.