Finding the Fourth Proportional to 248,519.20, 372,487.20 and 106,364.20
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Solution
The fourth proportional to 248,519.20, 372,487.20 and 106,364.20 is: 159,421.50
Step by Step Solution
- Step 1: Write the proportion equation
248,519.20 : 372,487.20 = 106,364.20 : x - Step 2: Convert to fraction form
248,519.20/372,487.20 = 106,364.20/x - Step 3: Cross multiply
248,519.20x = 372,487.20 × 106,364.20 - Step 4: Simplify right side
248,519.20x = 39,619,303,038.24 - Step 5: Solve for x
x = 39,619,303,038.24/248,519.20 - Step 6: Final answer
x = 159,421.50
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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.