Finding the Fourth Proportional to 231,032.75, 318,826.16 and 125,048.75
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Solution
The fourth proportional to 231,032.75, 318,826.16 and 125,048.75 is: 172,567.79
Step by Step Solution
- Step 1: Write the proportion equation
231,032.75 : 318,826.16 = 125,048.75 : x - Step 2: Convert to fraction form
231,032.75/318,826.16 = 125,048.75/x - Step 3: Cross multiply
231,032.75x = 318,826.16 × 125,048.75 - Step 4: Simplify right side
231,032.75x = 39,868,812,150.06 - Step 5: Solve for x
x = 39,868,812,150.06/231,032.75 - Step 6: Final answer
x = 172,567.79
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1.5x scale
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.