Finding the Fourth Proportional to 214,979.76, 296,658.36 and 119,480.64
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Solution
The fourth proportional to 214,979.76, 296,658.36 and 119,480.64 is: 164,875.66
Step by Step Solution
- Step 1: Write the proportion equation
214,979.76 : 296,658.36 = 119,480.64 : x - Step 2: Convert to fraction form
214,979.76/296,658.36 = 119,480.64/x - Step 3: Cross multiply
214,979.76x = 296,658.36 × 119,480.64 - Step 4: Simplify right side
214,979.76x = 35,444,930,714.15 - Step 5: Solve for x
x = 35,444,930,714.15/214,979.76 - Step 6: Final answer
x = 164,875.66
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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.