Finding the Fourth Proportional to 259,627.54, 389,301.99 and 133,215.70
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Solution
The fourth proportional to 259,627.54, 389,301.99 and 133,215.70 is: 199,752.06
Step by Step Solution
- Step 1: Write the proportion equation
259,627.54 : 389,301.99 = 133,215.70 : x - Step 2: Convert to fraction form
259,627.54/389,301.99 = 133,215.70/x - Step 3: Cross multiply
259,627.54x = 389,301.99 × 133,215.70 - Step 4: Simplify right side
259,627.54x = 51,861,137,109.24 - Step 5: Solve for x
x = 51,861,137,109.24/259,627.54 - Step 6: Final answer
x = 199,752.06
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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.