Finding the Fourth Proportional to 448,079.58, 618,344.13 and 244,138.99
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Solution
The fourth proportional to 448,079.58, 618,344.13 and 244,138.99 is: 336,908.71
Step by Step Solution
- Step 1: Write the proportion equation
448,079.58 : 618,344.13 = 244,138.99 : x - Step 2: Convert to fraction form
448,079.58/618,344.13 = 244,138.99/x - Step 3: Cross multiply
448,079.58x = 618,344.13 × 244,138.99 - Step 4: Simplify right side
448,079.58x = 150,961,911,370.63 - Step 5: Solve for x
x = 150,961,911,370.63/448,079.58 - Step 6: Final answer
x = 336,908.71
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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.