Finding the Fourth Proportional to 239,297.40, 358,820.34 and 106,120.08
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Solution
The fourth proportional to 239,297.40, 358,820.34 and 106,120.08 is: 159,124.35
Step by Step Solution
- Step 1: Write the proportion equation
239,297.40 : 358,820.34 = 106,120.08 : x - Step 2: Convert to fraction form
239,297.40/358,820.34 = 106,120.08/x - Step 3: Cross multiply
239,297.40x = 358,820.34 × 106,120.08 - Step 4: Simplify right side
239,297.40x = 38,078,043,186.43 - Step 5: Solve for x
x = 38,078,043,186.43/239,297.40 - Step 6: Final answer
x = 159,124.35
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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.