Finding the Fourth Proportional to 348,048.10, 522,072.15 and 305,193.70
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Solution
The fourth proportional to 348,048.10, 522,072.15 and 305,193.70 is: 457,790.55
Step by Step Solution
- Step 1: Write the proportion equation
348,048.10 : 522,072.15 = 305,193.70 : x - Step 2: Convert to fraction form
348,048.10/522,072.15 = 305,193.70/x - Step 3: Cross multiply
348,048.10x = 522,072.15 × 305,193.70 - Step 4: Simplify right side
348,048.10x = 159,333,131,125.46 - Step 5: Solve for x
x = 159,333,131,125.46/348,048.10 - Step 6: Final answer
x = 457,790.55
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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.