Finding the Fourth Proportional to 210,760.08, 290,844.84 and 115,266.48
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Solution
The fourth proportional to 210,760.08, 290,844.84 and 115,266.48 is: 159,065.52
Step by Step Solution
- Step 1: Write the proportion equation
210,760.08 : 290,844.84 = 115,266.48 : x - Step 2: Convert to fraction form
210,760.08/290,844.84 = 115,266.48/x - Step 3: Cross multiply
210,760.08x = 290,844.84 × 115,266.48 - Step 4: Simplify right side
210,760.08x = 33,524,660,932.96 - Step 5: Solve for x
x = 33,524,660,932.96/210,760.08 - Step 6: Final answer
x = 159,065.52
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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.