Finding the Fourth Proportional to 206,929.28, 310,134.16 and 88,461.36
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Solution
The fourth proportional to 206,929.28, 310,134.16 and 88,461.36 is: 132,580.99
Step by Step Solution
- Step 1: Write the proportion equation
206,929.28 : 310,134.16 = 88,461.36 : x - Step 2: Convert to fraction form
206,929.28/310,134.16 = 88,461.36/x - Step 3: Cross multiply
206,929.28x = 310,134.16 × 88,461.36 - Step 4: Simplify right side
206,929.28x = 27,434,889,576.06 - Step 5: Solve for x
x = 27,434,889,576.06/206,929.28 - Step 6: Final answer
x = 132,580.99
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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.