Finding the Fourth Proportional to 254,648.96, 351,174.68 and 167,279.81
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Solution
The fourth proportional to 254,648.96, 351,174.68 and 167,279.81 is: 230,687.90
Step by Step Solution
- Step 1: Write the proportion equation
254,648.96 : 351,174.68 = 167,279.81 : x - Step 2: Convert to fraction form
254,648.96/351,174.68 = 167,279.81/x - Step 3: Cross multiply
254,648.96x = 351,174.68 × 167,279.81 - Step 4: Simplify right side
254,648.96x = 58,744,432,769.92 - Step 5: Solve for x
x = 58,744,432,769.92/254,648.96 - Step 6: Final answer
x = 230,687.90
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1.5x scale
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.