Finding the Fourth Proportional to 216,128.54, 298,262.09 and 119,332.08
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Solution
The fourth proportional to 216,128.54, 298,262.09 and 119,332.08 is: 164,680.86
Step by Step Solution
- Step 1: Write the proportion equation
216,128.54 : 298,262.09 = 119,332.08 : x - Step 2: Convert to fraction form
216,128.54/298,262.09 = 119,332.08/x - Step 3: Cross multiply
216,128.54x = 298,262.09 × 119,332.08 - Step 4: Simplify right side
216,128.54x = 35,592,234,988.19 - Step 5: Solve for x
x = 35,592,234,988.19/216,128.54 - Step 6: Final answer
x = 164,680.86
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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.