Finding the Fourth Proportional to 115,270.26, 172,923.28 and 48,710.68
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Solution
The fourth proportional to 115,270.26, 172,923.28 and 48,710.68 is: 73,073.58
Step by Step Solution
- Step 1: Write the proportion equation
115,270.26 : 172,923.28 = 48,710.68 : x - Step 2: Convert to fraction form
115,270.26/172,923.28 = 48,710.68/x - Step 3: Cross multiply
115,270.26x = 172,923.28 × 48,710.68 - Step 4: Simplify right side
115,270.26x = 8,423,210,556.63 - Step 5: Solve for x
x = 8,423,210,556.63/115,270.26 - Step 6: Final answer
x = 73,073.58
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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.