Finding the Fourth Proportional to 314,946.99, 434,694.60 and 185,837.49
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Solution
The fourth proportional to 314,946.99, 434,694.60 and 185,837.49 is: 256,495.71
Step by Step Solution
- Step 1: Write the proportion equation
314,946.99 : 434,694.60 = 185,837.49 : x - Step 2: Convert to fraction form
314,946.99/434,694.60 = 185,837.49/x - Step 3: Cross multiply
314,946.99x = 434,694.60 × 185,837.49 - Step 4: Simplify right side
314,946.99x = 80,782,553,380.55 - Step 5: Solve for x
x = 80,782,553,380.55/314,946.99 - Step 6: Final answer
x = 256,495.71
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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.