Finding the Fourth Proportional to 171,906.36, 257,854.14 and 47,246.28
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Solution
The fourth proportional to 171,906.36, 257,854.14 and 47,246.28 is: 70,867.94
Step by Step Solution
- Step 1: Write the proportion equation
171,906.36 : 257,854.14 = 47,246.28 : x - Step 2: Convert to fraction form
171,906.36/257,854.14 = 47,246.28/x - Step 3: Cross multiply
171,906.36x = 257,854.14 × 47,246.28 - Step 4: Simplify right side
171,906.36x = 12,182,648,897.60 - Step 5: Solve for x
x = 12,182,648,897.60/171,906.36 - Step 6: Final answer
x = 70,867.94
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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.