Finding the Fourth Proportional to 121,408.98, 182,130.12 and 41,425.49
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Solution
The fourth proportional to 121,408.98, 182,130.12 and 41,425.49 is: 62,143.92
Step by Step Solution
- Step 1: Write the proportion equation
121,408.98 : 182,130.12 = 41,425.49 : x - Step 2: Convert to fraction form
121,408.98/182,130.12 = 41,425.49/x - Step 3: Cross multiply
121,408.98x = 182,130.12 × 41,425.49 - Step 4: Simplify right side
121,408.98x = 7,544,829,920.08 - Step 5: Solve for x
x = 7,544,829,920.08/121,408.98 - Step 6: Final answer
x = 62,143.92
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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.