Finding the Fourth Proportional to 480,755.36, 663,432.36 and 299,375.84
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Solution
The fourth proportional to 480,755.36, 663,432.36 and 299,375.84 is: 413,132.41
Step by Step Solution
- Step 1: Write the proportion equation
480,755.36 : 663,432.36 = 299,375.84 : x - Step 2: Convert to fraction form
480,755.36/663,432.36 = 299,375.84/x - Step 3: Cross multiply
480,755.36x = 663,432.36 × 299,375.84 - Step 4: Simplify right side
480,755.36x = 198,615,620,058.18 - Step 5: Solve for x
x = 198,615,620,058.18/480,755.36 - Step 6: Final answer
x = 413,132.41
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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.