Finding the Fourth Proportional to 113,266.36, 169,898.77 and 38,439.18
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Solution
The fourth proportional to 113,266.36, 169,898.77 and 38,439.18 is: 57,658.52
Step by Step Solution
- Step 1: Write the proportion equation
113,266.36 : 169,898.77 = 38,439.18 : x - Step 2: Convert to fraction form
113,266.36/169,898.77 = 38,439.18/x - Step 3: Cross multiply
113,266.36x = 169,898.77 × 38,439.18 - Step 4: Simplify right side
113,266.36x = 6,530,770,035.81 - Step 5: Solve for x
x = 6,530,770,035.81/113,266.36 - Step 6: Final answer
x = 57,658.52
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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.