Finding the Fourth Proportional to 440,889.75, 608,432.18 and 239,690.07
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Solution
The fourth proportional to 440,889.75, 608,432.18 and 239,690.07 is: 330,774.65
Step by Step Solution
- Step 1: Write the proportion equation
440,889.75 : 608,432.18 = 239,690.07 : x - Step 2: Convert to fraction form
440,889.75/608,432.18 = 239,690.07/x - Step 3: Cross multiply
440,889.75x = 608,432.18 × 239,690.07 - Step 4: Simplify right side
440,889.75x = 145,835,150,616.00 - Step 5: Solve for x
x = 145,835,150,616.00/440,889.75 - Step 6: Final answer
x = 330,774.65
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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.