Finding the Fourth Proportional to 342,537.94, 472,655.57 and 197,289.70
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Solution
The fourth proportional to 342,537.94, 472,655.57 and 197,289.70 is: 272,232.84
Step by Step Solution
- Step 1: Write the proportion equation
342,537.94 : 472,655.57 = 197,289.70 : x - Step 2: Convert to fraction form
342,537.94/472,655.57 = 197,289.70/x - Step 3: Cross multiply
342,537.94x = 472,655.57 × 197,289.70 - Step 4: Simplify right side
342,537.94x = 93,250,076,044.33 - Step 5: Solve for x
x = 93,250,076,044.33/342,537.94 - Step 6: Final answer
x = 272,232.84
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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.