Finding the Fourth Proportional to 200,663.08, 276,915.06 and 111,239.08
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Solution
The fourth proportional to 200,663.08, 276,915.06 and 111,239.08 is: 153,509.94
Step by Step Solution
- Step 1: Write the proportion equation
200,663.08 : 276,915.06 = 111,239.08 : x - Step 2: Convert to fraction form
200,663.08/276,915.06 = 111,239.08/x - Step 3: Cross multiply
200,663.08x = 276,915.06 × 111,239.08 - Step 4: Simplify right side
200,663.08x = 30,803,776,512.54 - Step 5: Solve for x
x = 30,803,776,512.54/200,663.08 - Step 6: Final answer
x = 153,509.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.