Finding the Fourth Proportional to 481,838.40, 664,927.68 and 266,977.44
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Solution
The fourth proportional to 481,838.40, 664,927.68 and 266,977.44 is: 368,423.71
Step by Step Solution
- Step 1: Write the proportion equation
481,838.40 : 664,927.68 = 266,977.44 : x - Step 2: Convert to fraction form
481,838.40/664,927.68 = 266,977.44/x - Step 3: Cross multiply
481,838.40x = 664,927.68 × 266,977.44 - Step 4: Simplify right side
481,838.40x = 177,520,689,791.54 - Step 5: Solve for x
x = 177,520,689,791.54/481,838.40 - Step 6: Final answer
x = 368,423.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.