Finding the Fourth Proportional to 342,325.20, 472,372.41 and 189,339.09
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Solution
The fourth proportional to 342,325.20, 472,372.41 and 189,339.09 is: 261,267.83
Step by Step Solution
- Step 1: Write the proportion equation
342,325.20 : 472,372.41 = 189,339.09 : x - Step 2: Convert to fraction form
342,325.20/472,372.41 = 189,339.09/x - Step 3: Cross multiply
342,325.20x = 472,372.41 × 189,339.09 - Step 4: Simplify right side
342,325.20x = 89,438,562,250.51 - Step 5: Solve for x
x = 89,438,562,250.51/342,325.20 - Step 6: Final answer
x = 261,267.83
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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.