Finding the Fourth Proportional to 440,648.88, 608,104.44 and 239,457.84
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Solution
The fourth proportional to 440,648.88, 608,104.44 and 239,457.84 is: 330,456.70
Step by Step Solution
- Step 1: Write the proportion equation
440,648.88 : 608,104.44 = 239,457.84 : x - Step 2: Convert to fraction form
440,648.88/608,104.44 = 239,457.84/x - Step 3: Cross multiply
440,648.88x = 608,104.44 × 239,457.84 - Step 4: Simplify right side
440,648.88x = 145,615,375,696.81 - Step 5: Solve for x
x = 145,615,375,696.81/440,648.88 - Step 6: Final answer
x = 330,456.70
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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.