Finding the Fourth Proportional to 248,156.36, 372,053.09 and 79,580.74
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Solution
The fourth proportional to 248,156.36, 372,053.09 and 79,580.74 is: 119,312.92
Step by Step Solution
- Step 1: Write the proportion equation
248,156.36 : 372,053.09 = 79,580.74 : x - Step 2: Convert to fraction form
248,156.36/372,053.09 = 79,580.74/x - Step 3: Cross multiply
248,156.36x = 372,053.09 × 79,580.74 - Step 4: Simplify right side
248,156.36x = 29,608,259,490.31 - Step 5: Solve for x
x = 29,608,259,490.31/248,156.36 - Step 6: Final answer
x = 119,312.92
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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.