Finding the Fourth Proportional to 516,867.99, 775,240.43 and 137,817.15
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Solution
The fourth proportional to 516,867.99, 775,240.43 and 137,817.15 is: 206,709.31
Step by Step Solution
- Step 1: Write the proportion equation
516,867.99 : 775,240.43 = 137,817.15 : x - Step 2: Convert to fraction form
516,867.99/775,240.43 = 137,817.15/x - Step 3: Cross multiply
516,867.99x = 775,240.43 × 137,817.15 - Step 4: Simplify right side
516,867.99x = 106,841,425,938.29 - Step 5: Solve for x
x = 106,841,425,938.29/516,867.99 - Step 6: Final answer
x = 206,709.31
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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.