Finding the Fourth Proportional to 200,678.08, 276,913.20 and 115,823.20
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Solution
The fourth proportional to 200,678.08, 276,913.20 and 115,823.20 is: 159,823.00
Step by Step Solution
- Step 1: Write the proportion equation
200,678.08 : 276,913.20 = 115,823.20 : x - Step 2: Convert to fraction form
200,678.08/276,913.20 = 115,823.20/x - Step 3: Cross multiply
200,678.08x = 276,913.20 × 115,823.20 - Step 4: Simplify right side
200,678.08x = 32,072,972,946.24 - Step 5: Solve for x
x = 32,072,972,946.24/200,678.08 - Step 6: Final answer
x = 159,823.00
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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.