Finding the Fourth Proportional to 330,048.10, 496,129.20 and 306,647.20
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Solution
The fourth proportional to 330,048.10, 496,129.20 and 306,647.20 is: 460,952.90
Step by Step Solution
- Step 1: Write the proportion equation
330,048.10 : 496,129.20 = 306,647.20 : x - Step 2: Convert to fraction form
330,048.10/496,129.20 = 306,647.20/x - Step 3: Cross multiply
330,048.10x = 496,129.20 × 306,647.20 - Step 4: Simplify right side
330,048.10x = 152,136,630,018.24 - Step 5: Solve for x
x = 152,136,630,018.24/330,048.10 - Step 6: Final answer
x = 460,952.90
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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.