Finding the Fourth Proportional to 302,408.19, 417,149.49 and 189,034.11
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Solution
The fourth proportional to 302,408.19, 417,149.49 and 189,034.11 is: 260,758.42
Step by Step Solution
- Step 1: Write the proportion equation
302,408.19 : 417,149.49 = 189,034.11 : x - Step 2: Convert to fraction form
302,408.19/417,149.49 = 189,034.11/x - Step 3: Cross multiply
302,408.19x = 417,149.49 × 189,034.11 - Step 4: Simplify right side
302,408.19x = 78,855,482,579.10 - Step 5: Solve for x
x = 78,855,482,579.10/302,408.19 - Step 6: Final answer
x = 260,758.42
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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.