Finding the Fourth Proportional to 342,140.63, 472,135.00 and 189,169.63
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Solution
The fourth proportional to 342,140.63, 472,135.00 and 189,169.63 is: 261,043.55
Step by Step Solution
- Step 1: Write the proportion equation
342,140.63 : 472,135.00 = 189,169.63 : x - Step 2: Convert to fraction form
342,140.63/472,135.00 = 189,169.63/x - Step 3: Cross multiply
342,140.63x = 472,135.00 × 189,169.63 - Step 4: Simplify right side
342,140.63x = 89,313,602,493.52 - Step 5: Solve for x
x = 89,313,602,493.52/342,140.63 - Step 6: Final answer
x = 261,043.55
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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.