Finding the Fourth Proportional to 155,632.97, 214,781.49 and 95,184.65
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Solution
The fourth proportional to 155,632.97, 214,781.49 and 95,184.65 is: 131,359.71
Step by Step Solution
- Step 1: Write the proportion equation
155,632.97 : 214,781.49 = 95,184.65 : x - Step 2: Convert to fraction form
155,632.97/214,781.49 = 95,184.65/x - Step 3: Cross multiply
155,632.97x = 214,781.49 × 95,184.65 - Step 4: Simplify right side
155,632.97x = 20,443,901,489.08 - Step 5: Solve for x
x = 20,443,901,489.08/155,632.97 - Step 6: Final answer
x = 131,359.71
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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.