Finding the Fourth Proportional to 210,627.24, 290,665.97 and 115,134.62
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Solution
The fourth proportional to 210,627.24, 290,665.97 and 115,134.62 is: 158,885.98
Step by Step Solution
- Step 1: Write the proportion equation
210,627.24 : 290,665.97 = 115,134.62 : x - Step 2: Convert to fraction form
210,627.24/290,665.97 = 115,134.62/x - Step 3: Cross multiply
210,627.24x = 290,665.97 × 115,134.62 - Step 4: Simplify right side
210,627.24x = 33,465,714,405.63 - Step 5: Solve for x
x = 33,465,714,405.63/210,627.24 - Step 6: Final answer
x = 158,885.98
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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.