Finding the Fourth Proportional to 204,890.90, 307,336.35 and 149,122.40
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Solution
The fourth proportional to 204,890.90, 307,336.35 and 149,122.40 is: 223,683.60
Step by Step Solution
- Step 1: Write the proportion equation
204,890.90 : 307,336.35 = 149,122.40 : x - Step 2: Convert to fraction form
204,890.90/307,336.35 = 149,122.40/x - Step 3: Cross multiply
204,890.90x = 307,336.35 × 149,122.40 - Step 4: Simplify right side
204,890.90x = 45,830,734,119.24 - Step 5: Solve for x
x = 45,830,734,119.24/204,890.90 - Step 6: Final answer
x = 223,683.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.