Finding the Fourth Proportional to 140,388.64, 193,248.12 and 122,452.41
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Solution
The fourth proportional to 140,388.64, 193,248.12 and 122,452.41 is: 168,558.50
Step by Step Solution
- Step 1: Write the proportion equation
140,388.64 : 193,248.12 = 122,452.41 : x - Step 2: Convert to fraction form
140,388.64/193,248.12 = 122,452.41/x - Step 3: Cross multiply
140,388.64x = 193,248.12 × 122,452.41 - Step 4: Simplify right side
140,388.64x = 23,663,698,021.97 - Step 5: Solve for x
x = 23,663,698,021.97/140,388.64 - Step 6: Final answer
x = 168,558.50
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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.