Finding the Fourth Proportional to 134,686.23, 200,439.12 and 130,201.26
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Solution
The fourth proportional to 134,686.23, 200,439.12 and 130,201.26 is: 193,764.62
Step by Step Solution
- Step 1: Write the proportion equation
134,686.23 : 200,439.12 = 130,201.26 : x - Step 2: Convert to fraction form
134,686.23/200,439.12 = 130,201.26/x - Step 3: Cross multiply
134,686.23x = 200,439.12 × 130,201.26 - Step 4: Simplify right side
134,686.23x = 26,097,425,977.29 - Step 5: Solve for x
x = 26,097,425,977.29/134,686.23 - Step 6: Final answer
x = 193,764.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.