Finding the Fourth Proportional to 245,698.24, 368,549.40 and 68,219.09
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Solution
The fourth proportional to 245,698.24, 368,549.40 and 68,219.09 is: 102,329.20
Step by Step Solution
- Step 1: Write the proportion equation
245,698.24 : 368,549.40 = 68,219.09 : x - Step 2: Convert to fraction form
245,698.24/368,549.40 = 68,219.09/x - Step 3: Cross multiply
245,698.24x = 368,549.40 × 68,219.09 - Step 4: Simplify right side
245,698.24x = 25,142,102,845.30 - Step 5: Solve for x
x = 25,142,102,845.30/245,698.24 - Step 6: Final answer
x = 102,329.20
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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.