Finding the Fourth Proportional to 342,579.14, 472,747.15 and 189,617.63
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Solution
The fourth proportional to 342,579.14, 472,747.15 and 189,617.63 is: 261,665.65
Step by Step Solution
- Step 1: Write the proportion equation
342,579.14 : 472,747.15 = 189,617.63 : x - Step 2: Convert to fraction form
342,579.14/472,747.15 = 189,617.63/x - Step 3: Cross multiply
342,579.14x = 472,747.15 × 189,617.63 - Step 4: Simplify right side
342,579.14x = 89,641,194,704.74 - Step 5: Solve for x
x = 89,641,194,704.74/342,579.14 - Step 6: Final answer
x = 261,665.65
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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.