Finding the Fourth Proportional to 197,129.37, 272,038.62 and 106,485.33
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Solution
The fourth proportional to 197,129.37, 272,038.62 and 106,485.33 is: 146,949.80
Step by Step Solution
- Step 1: Write the proportion equation
197,129.37 : 272,038.62 = 106,485.33 : x - Step 2: Convert to fraction form
197,129.37/272,038.62 = 106,485.33/x - Step 3: Cross multiply
197,129.37x = 272,038.62 × 106,485.33 - Step 4: Simplify right side
197,129.37x = 28,968,122,223.44 - Step 5: Solve for x
x = 28,968,122,223.44/197,129.37 - Step 6: Final answer
x = 146,949.80
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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.