Finding the Fourth Proportional to 134,426.56, 201,639.84 and 40,932.31
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Solution
The fourth proportional to 134,426.56, 201,639.84 and 40,932.31 is: 61,398.47
Step by Step Solution
- Step 1: Write the proportion equation
134,426.56 : 201,639.84 = 40,932.31 : x - Step 2: Convert to fraction form
134,426.56/201,639.84 = 40,932.31/x - Step 3: Cross multiply
134,426.56x = 201,639.84 × 40,932.31 - Step 4: Simplify right side
134,426.56x = 8,253,584,439.23 - Step 5: Solve for x
x = 8,253,584,439.23/134,426.56 - Step 6: Final answer
x = 61,398.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.