Finding the Fourth Proportional to 134,576.09, 201,864.13 and 39,798.88
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Solution
The fourth proportional to 134,576.09, 201,864.13 and 39,798.88 is: 59,698.32
Step by Step Solution
- Step 1: Write the proportion equation
134,576.09 : 201,864.13 = 39,798.88 : x - Step 2: Convert to fraction form
134,576.09/201,864.13 = 39,798.88/x - Step 3: Cross multiply
134,576.09x = 201,864.13 × 39,798.88 - Step 4: Simplify right side
134,576.09x = 8,033,966,286.17 - Step 5: Solve for x
x = 8,033,966,286.17/134,576.09 - Step 6: Final answer
x = 59,698.32
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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.