Finding the Fourth Proportional to 254,232.51, 350,753.97 and 145,258.68
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Solution
The fourth proportional to 254,232.51, 350,753.97 and 145,258.68 is: 200,407.33
Step by Step Solution
- Step 1: Write the proportion equation
254,232.51 : 350,753.97 = 145,258.68 : x - Step 2: Convert to fraction form
254,232.51/350,753.97 = 145,258.68/x - Step 3: Cross multiply
254,232.51x = 350,753.97 × 145,258.68 - Step 4: Simplify right side
254,232.51x = 50,950,058,686.96 - Step 5: Solve for x
x = 50,950,058,686.96/254,232.51 - Step 6: Final answer
x = 200,407.33
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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.