Finding the Fourth Proportional to 302,579.70, 436,274.64 and 302,579.70
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Solution
The fourth proportional to 302,579.70, 436,274.64 and 302,579.70 is: 436,274.64
Step by Step Solution
- Step 1: Write the proportion equation
302,579.70 : 436,274.64 = 302,579.70 : x - Step 2: Convert to fraction form
302,579.70/436,274.64 = 302,579.70/x - Step 3: Cross multiply
302,579.70x = 436,274.64 × 302,579.70 - Step 4: Simplify right side
302,579.70x = 132,007,849,688.81 - Step 5: Solve for x
x = 132,007,849,688.81/302,579.70 - Step 6: Final answer
x = 436,274.64
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Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.