Finding the Fourth Proportional to 197,506.64, 272,558.99 and 111,483.73
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Solution
The fourth proportional to 197,506.64, 272,558.99 and 111,483.73 is: 153,847.45
Step by Step Solution
- Step 1: Write the proportion equation
197,506.64 : 272,558.99 = 111,483.73 : x - Step 2: Convert to fraction form
197,506.64/272,558.99 = 111,483.73/x - Step 3: Cross multiply
197,506.64x = 272,558.99 × 111,483.73 - Step 4: Simplify right side
197,506.64x = 30,385,892,850.23 - Step 5: Solve for x
x = 30,385,892,850.23/197,506.64 - Step 6: Final answer
x = 153,847.45
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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.