Finding the Fourth Proportional to 168,764.41, 232,785.15 and 108,239.18
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Solution
The fourth proportional to 168,764.41, 232,785.15 and 108,239.18 is: 149,299.69
Step by Step Solution
- Step 1: Write the proportion equation
168,764.41 : 232,785.15 = 108,239.18 : x - Step 2: Convert to fraction form
168,764.41/232,785.15 = 108,239.18/x - Step 3: Cross multiply
168,764.41x = 232,785.15 × 108,239.18 - Step 4: Simplify right side
168,764.41x = 25,196,473,752.18 - Step 5: Solve for x
x = 25,196,473,752.18/168,764.41 - Step 6: Final answer
x = 149,299.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.