Finding the Fourth Proportional to 113,287.83, 169,865.87 and 83,319.99
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Solution
The fourth proportional to 113,287.83, 169,865.87 and 83,319.99 is: 124,931.53
Step by Step Solution
- Step 1: Write the proportion equation
113,287.83 : 169,865.87 = 83,319.99 : x - Step 2: Convert to fraction form
113,287.83/169,865.87 = 83,319.99/x - Step 3: Cross multiply
113,287.83x = 169,865.87 × 83,319.99 - Step 4: Simplify right side
113,287.83x = 14,153,222,173.14 - Step 5: Solve for x
x = 14,153,222,173.14/113,287.83 - Step 6: Final answer
x = 124,931.53
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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.