Finding the Fourth Proportional to 259,908.64, 389,862.67 and 97,832.96
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Solution
The fourth proportional to 259,908.64, 389,862.67 and 97,832.96 is: 146,749.33
Step by Step Solution
- Step 1: Write the proportion equation
259,908.64 : 389,862.67 = 97,832.96 : x - Step 2: Convert to fraction form
259,908.64/389,862.67 = 97,832.96/x - Step 3: Cross multiply
259,908.64x = 389,862.67 × 97,832.96 - Step 4: Simplify right side
259,908.64x = 38,141,418,999.60 - Step 5: Solve for x
x = 38,141,418,999.60/259,908.64 - Step 6: Final answer
x = 146,749.33
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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.