Finding the Fourth Proportional to 259,449.59, 389,006.67 and 101,693.99
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Solution
The fourth proportional to 259,449.59, 389,006.67 and 101,693.99 is: 152,475.25
Step by Step Solution
- Step 1: Write the proportion equation
259,449.59 : 389,006.67 = 101,693.99 : x - Step 2: Convert to fraction form
259,449.59/389,006.67 = 101,693.99/x - Step 3: Cross multiply
259,449.59x = 389,006.67 × 101,693.99 - Step 4: Simplify right side
259,449.59x = 39,559,640,408.91 - Step 5: Solve for x
x = 39,559,640,408.91/259,449.59 - Step 6: Final answer
x = 152,475.25
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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.