Finding the Fourth Proportional to 342,235.09, 513,313.39 and 89,539.97
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Solution
The fourth proportional to 342,235.09, 513,313.39 and 89,539.97 is: 134,299.69
Step by Step Solution
- Step 1: Write the proportion equation
342,235.09 : 513,313.39 = 89,539.97 : x - Step 2: Convert to fraction form
342,235.09/513,313.39 = 89,539.97/x - Step 3: Cross multiply
342,235.09x = 513,313.39 × 89,539.97 - Step 4: Simplify right side
342,235.09x = 45,962,065,541.20 - Step 5: Solve for x
x = 45,962,065,541.20/342,235.09 - Step 6: Final answer
x = 134,299.69
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1.5x scale
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.