Finding the Fourth Proportional to 159,007.74, 238,509.18 and 40,678.08
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Solution
The fourth proportional to 159,007.74, 238,509.18 and 40,678.08 is: 61,016.50
Step by Step Solution
- Step 1: Write the proportion equation
159,007.74 : 238,509.18 = 40,678.08 : x - Step 2: Convert to fraction form
159,007.74/238,509.18 = 40,678.08/x - Step 3: Cross multiply
159,007.74x = 238,509.18 × 40,678.08 - Step 4: Simplify right side
159,007.74x = 9,702,095,504.77 - Step 5: Solve for x
x = 9,702,095,504.77/159,007.74 - Step 6: Final answer
x = 61,016.50
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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.