Finding the Fourth Proportional to 330,384.70, 463,471.70 and 330,384.70
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Solution
The fourth proportional to 330,384.70, 463,471.70 and 330,384.70 is: 463,471.70
Step by Step Solution
- Step 1: Write the proportion equation
330,384.70 : 463,471.70 = 330,384.70 : x - Step 2: Convert to fraction form
330,384.70/463,471.70 = 330,384.70/x - Step 3: Cross multiply
330,384.70x = 463,471.70 × 330,384.70 - Step 4: Simplify right side
330,384.70x = 153,123,958,562.99 - Step 5: Solve for x
x = 153,123,958,562.99/330,384.70 - Step 6: Final answer
x = 463,471.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.