Finding the Fourth Proportional to 159,409.81, 238,967.02 and 70,615.99
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Solution
The fourth proportional to 159,409.81, 238,967.02 and 70,615.99 is: 105,858.56
Step by Step Solution
- Step 1: Write the proportion equation
159,409.81 : 238,967.02 = 70,615.99 : x - Step 2: Convert to fraction form
159,409.81/238,967.02 = 70,615.99/x - Step 3: Cross multiply
159,409.81x = 238,967.02 × 70,615.99 - Step 4: Simplify right side
159,409.81x = 16,874,892,694.65 - Step 5: Solve for x
x = 16,874,892,694.65/159,409.81 - Step 6: Final answer
x = 105,858.56
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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.