Finding the Fourth Proportional to 440,719.66, 608,193.39 and 239,515.66
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Solution
The fourth proportional to 440,719.66, 608,193.39 and 239,515.66 is: 330,531.75
Step by Step Solution
- Step 1: Write the proportion equation
440,719.66 : 608,193.39 = 239,515.66 : x - Step 2: Convert to fraction form
440,719.66/608,193.39 = 239,515.66/x - Step 3: Cross multiply
440,719.66x = 608,193.39 × 239,515.66 - Step 4: Simplify right side
440,719.66x = 145,671,841,213.49 - Step 5: Solve for x
x = 145,671,841,213.49/440,719.66 - Step 6: Final answer
x = 330,531.75
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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.