Finding the Fourth Proportional to 248,135.70, 372,240.51 and 115,029.45
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Solution
The fourth proportional to 248,135.70, 372,240.51 and 115,029.45 is: 172,561.31
Step by Step Solution
- Step 1: Write the proportion equation
248,135.70 : 372,240.51 = 115,029.45 : x - Step 2: Convert to fraction form
248,135.70/372,240.51 = 115,029.45/x - Step 3: Cross multiply
248,135.70x = 372,240.51 × 115,029.45 - Step 4: Simplify right side
248,135.70x = 42,818,621,133.02 - Step 5: Solve for x
x = 42,818,621,133.02/248,135.70 - Step 6: Final answer
x = 172,561.31
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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.