Finding the Fourth Proportional to 330,285.42, 455,794.76 and 194,324.49
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Solution
The fourth proportional to 330,285.42, 455,794.76 and 194,324.49 is: 268,168.31
Step by Step Solution
- Step 1: Write the proportion equation
330,285.42 : 455,794.76 = 194,324.49 : x - Step 2: Convert to fraction form
330,285.42/455,794.76 = 194,324.49/x - Step 3: Cross multiply
330,285.42x = 455,794.76 × 194,324.49 - Step 4: Simplify right side
330,285.42x = 88,572,084,281.67 - Step 5: Solve for x
x = 88,572,084,281.67/330,285.42 - Step 6: Final answer
x = 268,168.31
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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.