Finding the Fourth Proportional to 159,270.69, 238,905.79 and 109,198.99
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Solution
The fourth proportional to 159,270.69, 238,905.79 and 109,198.99 is: 163,798.32
Step by Step Solution
- Step 1: Write the proportion equation
159,270.69 : 238,905.79 = 109,198.99 : x - Step 2: Convert to fraction form
159,270.69/238,905.79 = 109,198.99/x - Step 3: Cross multiply
159,270.69x = 238,905.79 × 109,198.99 - Step 4: Simplify right side
159,270.69x = 26,088,271,408.28 - Step 5: Solve for x
x = 26,088,271,408.28/159,270.69 - Step 6: Final answer
x = 163,798.32
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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.