Finding the Fourth Proportional to 442,911.44, 664,600.44 and 193,768.40
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Solution
The fourth proportional to 442,911.44, 664,600.44 and 193,768.40 is: 290,754.66
Step by Step Solution
- Step 1: Write the proportion equation
442,911.44 : 664,600.44 = 193,768.40 : x - Step 2: Convert to fraction form
442,911.44/664,600.44 = 193,768.40/x - Step 3: Cross multiply
442,911.44x = 664,600.44 × 193,768.40 - Step 4: Simplify right side
442,911.44x = 128,778,563,898.10 - Step 5: Solve for x
x = 128,778,563,898.10/442,911.44 - Step 6: Final answer
x = 290,754.66
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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.