Finding the Fourth Proportional to 186,938.02, 257,965.47 and 106,358.02
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Solution
The fourth proportional to 186,938.02, 257,965.47 and 106,358.02 is: 146,768.95
Step by Step Solution
- Step 1: Write the proportion equation
186,938.02 : 257,965.47 = 106,358.02 : x - Step 2: Convert to fraction form
186,938.02/257,965.47 = 106,358.02/x - Step 3: Cross multiply
186,938.02x = 257,965.47 × 106,358.02 - Step 4: Simplify right side
186,938.02x = 27,436,696,617.57 - Step 5: Solve for x
x = 27,436,696,617.57/186,938.02 - Step 6: Final answer
x = 146,768.95
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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.