Finding the Fourth Proportional to 197,982.48, 296,899.36 and 85,654.08
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Solution
The fourth proportional to 197,982.48, 296,899.36 and 85,654.08 is: 128,448.95
Step by Step Solution
- Step 1: Write the proportion equation
197,982.48 : 296,899.36 = 85,654.08 : x - Step 2: Convert to fraction form
197,982.48/296,899.36 = 85,654.08/x - Step 3: Cross multiply
197,982.48x = 296,899.36 × 85,654.08 - Step 4: Simplify right side
197,982.48x = 25,430,641,533.39 - Step 5: Solve for x
x = 25,430,641,533.39/197,982.48 - Step 6: Final answer
x = 128,448.95
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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.