Finding the Fourth Proportional to 96,408.17, 144,578.37 and 28,920.08
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Solution
The fourth proportional to 96,408.17, 144,578.37 and 28,920.08 is: 43,369.95
Step by Step Solution
- Step 1: Write the proportion equation
96,408.17 : 144,578.37 = 28,920.08 : x - Step 2: Convert to fraction form
96,408.17/144,578.37 = 28,920.08/x - Step 3: Cross multiply
96,408.17x = 144,578.37 × 28,920.08 - Step 4: Simplify right side
96,408.17x = 4,181,217,303.78 - Step 5: Solve for x
x = 4,181,217,303.78/96,408.17 - Step 6: Final answer
x = 43,369.95
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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.