Finding the Fourth Proportional to 255,010.96, 351,717.42 and 164,381.68
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Solution
The fourth proportional to 255,010.96, 351,717.42 and 164,381.68 is: 226,719.28
Step by Step Solution
- Step 1: Write the proportion equation
255,010.96 : 351,717.42 = 164,381.68 : x - Step 2: Convert to fraction form
255,010.96/351,717.42 = 164,381.68/x - Step 3: Cross multiply
255,010.96x = 351,717.42 × 164,381.68 - Step 4: Simplify right side
255,010.96x = 57,815,900,384.87 - Step 5: Solve for x
x = 57,815,900,384.87/255,010.96 - Step 6: Final answer
x = 226,719.28
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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.