Finding the Fourth Proportional to 330,805.42, 457,132.06 and 270,354.00
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Solution
The fourth proportional to 330,805.42, 457,132.06 and 270,354.00 is: 373,595.70
Step by Step Solution
- Step 1: Write the proportion equation
330,805.42 : 457,132.06 = 270,354.00 : x - Step 2: Convert to fraction form
330,805.42/457,132.06 = 270,354.00/x - Step 3: Cross multiply
330,805.42x = 457,132.06 × 270,354.00 - Step 4: Simplify right side
330,805.42x = 123,587,481,480.69 - Step 5: Solve for x
x = 123,587,481,480.69/330,805.42 - Step 6: Final answer
x = 373,595.70
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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.