Finding the Fourth Proportional to 134,426.31, 201,639.47 and 40,932.06
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Solution
The fourth proportional to 134,426.31, 201,639.47 and 40,932.06 is: 61,398.09
Step by Step Solution
- Step 1: Write the proportion equation
134,426.31 : 201,639.47 = 40,932.06 : x - Step 2: Convert to fraction form
134,426.31/201,639.47 = 40,932.06/x - Step 3: Cross multiply
134,426.31x = 201,639.47 × 40,932.06 - Step 4: Simplify right side
134,426.31x = 8,253,518,884.41 - Step 5: Solve for x
x = 8,253,518,884.41/134,426.31 - Step 6: Final answer
x = 61,398.09
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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.