Finding the Fourth Proportional to 380,278.10, 524,789.99 and 208,193.19
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Solution
The fourth proportional to 380,278.10, 524,789.99 and 208,193.19 is: 287,310.00
Step by Step Solution
- Step 1: Write the proportion equation
380,278.10 : 524,789.99 = 208,193.19 : x - Step 2: Convert to fraction form
380,278.10/524,789.99 = 208,193.19/x - Step 3: Cross multiply
380,278.10x = 524,789.99 × 208,193.19 - Step 4: Simplify right side
380,278.10x = 109,257,702,098.17 - Step 5: Solve for x
x = 109,257,702,098.17/380,278.10 - Step 6: Final answer
x = 287,310.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.