Finding the Fourth Proportional to 514,103.49, 709,462.62 and 287,748.99
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Solution
The fourth proportional to 514,103.49, 709,462.62 and 287,748.99 is: 397,093.50
Step by Step Solution
- Step 1: Write the proportion equation
514,103.49 : 709,462.62 = 287,748.99 : x - Step 2: Convert to fraction form
514,103.49/709,462.62 = 287,748.99/x - Step 3: Cross multiply
514,103.49x = 709,462.62 × 287,748.99 - Step 4: Simplify right side
514,103.49x = 204,147,152,347.75 - Step 5: Solve for x
x = 204,147,152,347.75/514,103.49 - Step 6: Final answer
x = 397,093.50
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1.5x scale
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.