Finding the Fourth Proportional to 448,400.21, 672,920.16 and 248,880.20
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Solution
The fourth proportional to 448,400.21, 672,920.16 and 248,880.20 is: 373,497.82
Step by Step Solution
- Step 1: Write the proportion equation
448,400.21 : 672,920.16 = 248,880.20 : x - Step 2: Convert to fraction form
448,400.21/672,920.16 = 248,880.20/x - Step 3: Cross multiply
448,400.21x = 672,920.16 × 248,880.20 - Step 4: Simplify right side
448,400.21x = 167,476,499,706.93 - Step 5: Solve for x
x = 167,476,499,706.93/448,400.21 - Step 6: Final answer
x = 373,497.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.