Finding the Fourth Proportional to 199,460.08, 298,940.60 and 99,648.08
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Solution
The fourth proportional to 199,460.08, 298,940.60 and 99,648.08 is: 149,347.46
Step by Step Solution
- Step 1: Write the proportion equation
199,460.08 : 298,940.60 = 99,648.08 : x - Step 2: Convert to fraction form
199,460.08/298,940.60 = 99,648.08/x - Step 3: Cross multiply
199,460.08x = 298,940.60 × 99,648.08 - Step 4: Simplify right side
199,460.08x = 29,788,856,824.05 - Step 5: Solve for x
x = 29,788,856,824.05/199,460.08 - Step 6: Final answer
x = 149,347.46
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1.5x scale
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.