Finding the Fourth Proportional to 448,213.23, 618,534.26 and 247,009.23
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Solution
The fourth proportional to 448,213.23, 618,534.26 and 247,009.23 is: 340,872.74
Step by Step Solution
- Step 1: Write the proportion equation
448,213.23 : 618,534.26 = 247,009.23 : x - Step 2: Convert to fraction form
448,213.23/618,534.26 = 247,009.23/x - Step 3: Cross multiply
448,213.23x = 618,534.26 × 247,009.23 - Step 4: Simplify right side
448,213.23x = 152,783,670,056.17 - Step 5: Solve for x
x = 152,783,670,056.17/448,213.23 - Step 6: Final answer
x = 340,872.74
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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.