Finding the Fourth Proportional to 197,439.24, 272,466.16 and 106,795.20
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Solution
The fourth proportional to 197,439.24, 272,466.16 and 106,795.20 is: 147,377.38
Step by Step Solution
- Step 1: Write the proportion equation
197,439.24 : 272,466.16 = 106,795.20 : x - Step 2: Convert to fraction form
197,439.24/272,466.16 = 106,795.20/x - Step 3: Cross multiply
197,439.24x = 272,466.16 × 106,795.20 - Step 4: Simplify right side
197,439.24x = 29,098,078,050.43 - Step 5: Solve for x
x = 29,098,078,050.43/197,439.24 - Step 6: Final answer
x = 147,377.38
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1.5x scale
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.