Finding the Fourth Proportional to 216,403.01, 298,551.51 and 125,742.75
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Solution
The fourth proportional to 216,403.01, 298,551.51 and 125,742.75 is: 173,475.82
Step by Step Solution
- Step 1: Write the proportion equation
216,403.01 : 298,551.51 = 125,742.75 : x - Step 2: Convert to fraction form
216,403.01/298,551.51 = 125,742.75/x - Step 3: Cross multiply
216,403.01x = 298,551.51 × 125,742.75 - Step 4: Simplify right side
216,403.01x = 37,540,687,884.05 - Step 5: Solve for x
x = 37,540,687,884.05/216,403.01 - Step 6: Final answer
x = 173,475.82
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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.