Finding the Fourth Proportional to 235,334.76, 353,152.26 and 85,560.68
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Solution
The fourth proportional to 235,334.76, 353,152.26 and 85,560.68 is: 128,395.59
Step by Step Solution
- Step 1: Write the proportion equation
235,334.76 : 353,152.26 = 85,560.68 : x - Step 2: Convert to fraction form
235,334.76/353,152.26 = 85,560.68/x - Step 3: Cross multiply
235,334.76x = 353,152.26 × 85,560.68 - Step 4: Simplify right side
235,334.76x = 30,215,945,743.38 - Step 5: Solve for x
x = 30,215,945,743.38/235,334.76 - Step 6: Final answer
x = 128,395.59
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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.