Finding the Fourth Proportional to 248,153.58, 372,292.74 and 79,688.97
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Solution
The fourth proportional to 248,153.58, 372,292.74 and 79,688.97 is: 119,553.48
Step by Step Solution
- Step 1: Write the proportion equation
248,153.58 : 372,292.74 = 79,688.97 : x - Step 2: Convert to fraction form
248,153.58/372,292.74 = 79,688.97/x - Step 3: Cross multiply
248,153.58x = 372,292.74 × 79,688.97 - Step 4: Simplify right side
248,153.58x = 29,667,624,989.08 - Step 5: Solve for x
x = 29,667,624,989.08/248,153.58 - Step 6: Final answer
x = 119,553.48
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1.5x scale
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.