Finding the Fourth Proportional to 229,021.05, 343,533.78 and 86,828.08
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Solution
The fourth proportional to 229,021.05, 343,533.78 and 86,828.08 is: 130,242.96
Step by Step Solution
- Step 1: Write the proportion equation
229,021.05 : 343,533.78 = 86,828.08 : x - Step 2: Convert to fraction form
229,021.05/343,533.78 = 86,828.08/x - Step 3: Cross multiply
229,021.05x = 343,533.78 × 86,828.08 - Step 4: Simplify right side
229,021.05x = 29,828,378,532.54 - Step 5: Solve for x
x = 29,828,378,532.54/229,021.05 - Step 6: Final answer
x = 130,242.96
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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.