Finding the Fourth Proportional to 254,180.26, 350,778.09 and 153,558.82
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Solution
The fourth proportional to 254,180.26, 350,778.09 and 153,558.82 is: 211,916.81
Step by Step Solution
- Step 1: Write the proportion equation
254,180.26 : 350,778.09 = 153,558.82 : x - Step 2: Convert to fraction form
254,180.26/350,778.09 = 153,558.82/x - Step 3: Cross multiply
254,180.26x = 350,778.09 × 153,558.82 - Step 4: Simplify right side
254,180.26x = 53,865,069,582.25 - Step 5: Solve for x
x = 53,865,069,582.25/254,180.26 - Step 6: Final answer
x = 211,916.81
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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.