Finding the Fourth Proportional to 440,890.50, 608,433.21 and 239,690.82
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Solution
The fourth proportional to 440,890.50, 608,433.21 and 239,690.82 is: 330,775.68
Step by Step Solution
- Step 1: Write the proportion equation
440,890.50 : 608,433.21 = 239,690.82 : x - Step 2: Convert to fraction form
440,890.50/608,433.21 = 239,690.82/x - Step 3: Cross multiply
440,890.50x = 608,433.21 × 239,690.82 - Step 4: Simplify right side
440,890.50x = 145,835,855,020.13 - Step 5: Solve for x
x = 145,835,855,020.13/440,890.50 - Step 6: Final answer
x = 330,775.68
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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.