Finding the Fourth Proportional to 330,140.10, 496,267.20 and 306,739.20
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Solution
The fourth proportional to 330,140.10, 496,267.20 and 306,739.20 is: 461,090.92
Step by Step Solution
- Step 1: Write the proportion equation
330,140.10 : 496,267.20 = 306,739.20 : x - Step 2: Convert to fraction form
330,140.10/496,267.20 = 306,739.20/x - Step 3: Cross multiply
330,140.10x = 496,267.20 × 306,739.20 - Step 4: Simplify right side
330,140.10x = 152,224,603,914.24 - Step 5: Solve for x
x = 152,224,603,914.24/330,140.10 - Step 6: Final answer
x = 461,090.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.