Finding the Fourth Proportional to 186,916.20, 257,941.04 and 106,341.99
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Solution
The fourth proportional to 186,916.20, 257,941.04 and 106,341.99 is: 146,750.06
Step by Step Solution
- Step 1: Write the proportion equation
186,916.20 : 257,941.04 = 106,341.99 : x - Step 2: Convert to fraction form
186,916.20/257,941.04 = 106,341.99/x - Step 3: Cross multiply
186,916.20x = 257,941.04 × 106,341.99 - Step 4: Simplify right side
186,916.20x = 27,429,963,496.27 - Step 5: Solve for x
x = 27,429,963,496.27/186,916.20 - Step 6: Final answer
x = 146,750.06
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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.