Finding the Fourth Proportional to 216,347.82, 298,494.45 and 125,686.14
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Solution
The fourth proportional to 216,347.82, 298,494.45 and 125,686.14 is: 173,408.80
Step by Step Solution
- Step 1: Write the proportion equation
216,347.82 : 298,494.45 = 125,686.14 : x - Step 2: Convert to fraction form
216,347.82/298,494.45 = 125,686.14/x - Step 3: Cross multiply
216,347.82x = 298,494.45 × 125,686.14 - Step 4: Simplify right side
216,347.82x = 37,516,615,231.92 - Step 5: Solve for x
x = 37,516,615,231.92/216,347.82 - Step 6: Final answer
x = 173,408.80
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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.