Finding the Fourth Proportional to 346,503.70, 520,083.60 and 296,640.10
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Solution
The fourth proportional to 346,503.70, 520,083.60 and 296,640.10 is: 445,240.99
Step by Step Solution
- Step 1: Write the proportion equation
346,503.70 : 520,083.60 = 296,640.10 : x - Step 2: Convert to fraction form
346,503.70/520,083.60 = 296,640.10/x - Step 3: Cross multiply
346,503.70x = 520,083.60 × 296,640.10 - Step 4: Simplify right side
346,503.70x = 154,277,651,112.36 - Step 5: Solve for x
x = 154,277,651,112.36/346,503.70 - Step 6: Final answer
x = 445,240.99
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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.