Finding the Fourth Proportional to 171,682.74, 257,671.71 and 149,391.81
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Solution
The fourth proportional to 171,682.74, 257,671.71 and 149,391.81 is: 224,216.15
Step by Step Solution
- Step 1: Write the proportion equation
171,682.74 : 257,671.71 = 149,391.81 : x - Step 2: Convert to fraction form
171,682.74/257,671.71 = 149,391.81/x - Step 3: Cross multiply
171,682.74x = 257,671.71 × 149,391.81 - Step 4: Simplify right side
171,682.74x = 38,494,043,142.70 - Step 5: Solve for x
x = 38,494,043,142.70/171,682.74 - Step 6: Final answer
x = 224,216.15
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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.