Finding the Fourth Proportional to 186,915.24, 257,941.68 and 102,032.28
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Solution
The fourth proportional to 186,915.24, 257,941.68 and 102,032.28 is: 140,803.81
Step by Step Solution
- Step 1: Write the proportion equation
186,915.24 : 257,941.68 = 102,032.28 : x - Step 2: Convert to fraction form
186,915.24/257,941.68 = 102,032.28/x - Step 3: Cross multiply
186,915.24x = 257,941.68 × 102,032.28 - Step 4: Simplify right side
186,915.24x = 26,318,377,717.43 - Step 5: Solve for x
x = 26,318,377,717.43/186,915.24 - Step 6: Final answer
x = 140,803.81
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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.