Finding the Fourth Proportional to 338,245.84, 466,786.80 and 193,048.71
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Solution
The fourth proportional to 338,245.84, 466,786.80 and 193,048.71 is: 266,411.52
Step by Step Solution
- Step 1: Write the proportion equation
338,245.84 : 466,786.80 = 193,048.71 : x - Step 2: Convert to fraction form
338,245.84/466,786.80 = 193,048.71/x - Step 3: Cross multiply
338,245.84x = 466,786.80 × 193,048.71 - Step 4: Simplify right side
338,245.84x = 90,112,586,285.85 - Step 5: Solve for x
x = 90,112,586,285.85/338,245.84 - Step 6: Final answer
x = 266,411.52
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1.5x scale
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.