Finding the Fourth Proportional to 248,156.46, 372,122.91 and 70,623.09
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Solution
The fourth proportional to 248,156.46, 372,122.91 and 70,623.09 is: 105,902.82
Step by Step Solution
- Step 1: Write the proportion equation
248,156.46 : 372,122.91 = 70,623.09 : x - Step 2: Convert to fraction form
248,156.46/372,122.91 = 70,623.09/x - Step 3: Cross multiply
248,156.46x = 372,122.91 × 70,623.09 - Step 4: Simplify right side
248,156.46x = 26,280,469,763.99 - Step 5: Solve for x
x = 26,280,469,763.99/248,156.46 - Step 6: Final answer
x = 105,902.82
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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.