Finding the Fourth Proportional to 299,272.06, 448,645.24 and 121,928.23
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Solution
The fourth proportional to 299,272.06, 448,645.24 and 121,928.23 is: 182,785.26
Step by Step Solution
- Step 1: Write the proportion equation
299,272.06 : 448,645.24 = 121,928.23 : x - Step 2: Convert to fraction form
299,272.06/448,645.24 = 121,928.23/x - Step 3: Cross multiply
299,272.06x = 448,645.24 × 121,928.23 - Step 4: Simplify right side
299,272.06x = 54,702,520,011.13 - Step 5: Solve for x
x = 54,702,520,011.13/299,272.06 - Step 6: Final answer
x = 182,785.26
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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.