Finding the Fourth Proportional to 448,418.62, 671,880.58 and 315,060.12
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Solution
The fourth proportional to 448,418.62, 671,880.58 and 315,060.12 is: 472,065.09
Step by Step Solution
- Step 1: Write the proportion equation
448,418.62 : 671,880.58 = 315,060.12 : x - Step 2: Convert to fraction form
448,418.62/671,880.58 = 315,060.12/x - Step 3: Cross multiply
448,418.62x = 671,880.58 × 315,060.12 - Step 4: Simplify right side
448,418.62x = 211,682,776,160.47 - Step 5: Solve for x
x = 211,682,776,160.47/448,418.62 - Step 6: Final answer
x = 472,065.09
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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.