Finding the Fourth Proportional to 448,123.74, 618,403.44 and 244,177.08
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Solution
The fourth proportional to 448,123.74, 618,403.44 and 244,177.08 is: 336,960.38
Step by Step Solution
- Step 1: Write the proportion equation
448,123.74 : 618,403.44 = 244,177.08 : x - Step 2: Convert to fraction form
448,123.74/618,403.44 = 244,177.08/x - Step 3: Cross multiply
448,123.74x = 618,403.44 × 244,177.08 - Step 4: Simplify right side
448,123.74x = 150,999,946,241.16 - Step 5: Solve for x
x = 150,999,946,241.16/448,123.74 - Step 6: Final answer
x = 336,960.38
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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.