Finding the Fourth Proportional to 193,879.84, 290,820.21 and 58,945.09
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Solution
The fourth proportional to 193,879.84, 290,820.21 and 58,945.09 is: 88,417.77
Step by Step Solution
- Step 1: Write the proportion equation
193,879.84 : 290,820.21 = 58,945.09 : x - Step 2: Convert to fraction form
193,879.84/290,820.21 = 58,945.09/x - Step 3: Cross multiply
193,879.84x = 290,820.21 × 58,945.09 - Step 4: Simplify right side
193,879.84x = 17,142,423,452.27 - Step 5: Solve for x
x = 17,142,423,452.27/193,879.84 - Step 6: Final answer
x = 88,417.77
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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.