Finding the Fourth Proportional to 248,614.10, 372,921.15 and 154,135.70
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Solution
The fourth proportional to 248,614.10, 372,921.15 and 154,135.70 is: 231,203.55
Step by Step Solution
- Step 1: Write the proportion equation
248,614.10 : 372,921.15 = 154,135.70 : x - Step 2: Convert to fraction form
248,614.10/372,921.15 = 154,135.70/x - Step 3: Cross multiply
248,614.10x = 372,921.15 × 154,135.70 - Step 4: Simplify right side
248,614.10x = 57,480,462,500.06 - Step 5: Solve for x
x = 57,480,462,500.06/248,614.10 - Step 6: Final answer
x = 231,203.55
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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.