Finding the Fourth Proportional to 73,319.74, 109,957.62 and 38,240.26
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Solution
The fourth proportional to 73,319.74, 109,957.62 and 38,240.26 is: 57,348.92
Step by Step Solution
- Step 1: Write the proportion equation
73,319.74 : 109,957.62 = 38,240.26 : x - Step 2: Convert to fraction form
73,319.74/109,957.62 = 38,240.26/x - Step 3: Cross multiply
73,319.74x = 109,957.62 × 38,240.26 - Step 4: Simplify right side
73,319.74x = 4,204,807,977.78 - Step 5: Solve for x
x = 4,204,807,977.78/73,319.74 - Step 6: Final answer
x = 57,348.92
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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.