Finding the Fourth Proportional to 292,448.64, 438,672.92 and 159,440.75
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Solution
The fourth proportional to 292,448.64, 438,672.92 and 159,440.75 is: 239,161.09
Step by Step Solution
- Step 1: Write the proportion equation
292,448.64 : 438,672.92 = 159,440.75 : x - Step 2: Convert to fraction form
292,448.64/438,672.92 = 159,440.75/x - Step 3: Cross multiply
292,448.64x = 438,672.92 × 159,440.75 - Step 4: Simplify right side
292,448.64x = 69,942,336,378.92 - Step 5: Solve for x
x = 69,942,336,378.92/292,448.64 - Step 6: Final answer
x = 239,161.09
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1.5x scale
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.