Finding the Fourth Proportional to 440,921.98, 608,478.80 and 247,372.48
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Solution
The fourth proportional to 440,921.98, 608,478.80 and 247,372.48 is: 341,377.65
Step by Step Solution
- Step 1: Write the proportion equation
440,921.98 : 608,478.80 = 247,372.48 : x - Step 2: Convert to fraction form
440,921.98/608,478.80 = 247,372.48/x - Step 3: Cross multiply
440,921.98x = 608,478.80 × 247,372.48 - Step 4: Simplify right side
440,921.98x = 150,520,907,025.37 - Step 5: Solve for x
x = 150,520,907,025.37/440,921.98 - Step 6: Final answer
x = 341,377.65
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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.