Finding the Fourth Proportional to 197,417.70, 272,438.62 and 106,775.46
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Solution
The fourth proportional to 197,417.70, 272,438.62 and 106,775.46 is: 147,351.32
Step by Step Solution
- Step 1: Write the proportion equation
197,417.70 : 272,438.62 = 106,775.46 : x - Step 2: Convert to fraction form
197,417.70/272,438.62 = 106,775.46/x - Step 3: Cross multiply
197,417.70x = 272,438.62 × 106,775.46 - Step 4: Simplify right side
197,417.70x = 29,089,758,972.27 - Step 5: Solve for x
x = 29,089,758,972.27/197,417.70 - Step 6: Final answer
x = 147,351.32
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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.