Finding the Fourth Proportional to 146,246.50, 201,851.36 and 100,368.91
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Solution
The fourth proportional to 146,246.50, 201,851.36 and 100,368.91 is: 138,530.50
Step by Step Solution
- Step 1: Write the proportion equation
146,246.50 : 201,851.36 = 100,368.91 : x - Step 2: Convert to fraction form
146,246.50/201,851.36 = 100,368.91/x - Step 3: Cross multiply
146,246.50x = 201,851.36 × 100,368.91 - Step 4: Simplify right side
146,246.50x = 20,259,600,985.22 - Step 5: Solve for x
x = 20,259,600,985.22/146,246.50 - Step 6: Final answer
x = 138,530.50
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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.