Finding the Fourth Proportional to 231,062.36, 346,622.75 and 79,289.00
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Solution
The fourth proportional to 231,062.36, 346,622.75 and 79,289.00 is: 118,943.52
Step by Step Solution
- Step 1: Write the proportion equation
231,062.36 : 346,622.75 = 79,289.00 : x - Step 2: Convert to fraction form
231,062.36/346,622.75 = 79,289.00/x - Step 3: Cross multiply
231,062.36x = 346,622.75 × 79,289.00 - Step 4: Simplify right side
231,062.36x = 27,483,369,095.19 - Step 5: Solve for x
x = 27,483,369,095.19/231,062.36 - Step 6: Final answer
x = 118,943.52
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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.