Finding the Fourth Proportional to 197,506.35, 272,558.75 and 106,862.31
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Solution
The fourth proportional to 197,506.35, 272,558.75 and 106,862.31 is: 147,469.99
Step by Step Solution
- Step 1: Write the proportion equation
197,506.35 : 272,558.75 = 106,862.31 : x - Step 2: Convert to fraction form
197,506.35/272,558.75 = 106,862.31/x - Step 3: Cross multiply
197,506.35x = 272,558.75 × 106,862.31 - Step 4: Simplify right side
197,506.35x = 29,126,257,852.78 - Step 5: Solve for x
x = 29,126,257,852.78/197,506.35 - Step 6: Final answer
x = 147,469.99
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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.