Finding the Fourth Proportional to 306,914.56, 423,563.36 and 186,060.94
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Solution
The fourth proportional to 306,914.56, 423,563.36 and 186,060.94 is: 256,776.99
Step by Step Solution
- Step 1: Write the proportion equation
306,914.56 : 423,563.36 = 186,060.94 : x - Step 2: Convert to fraction form
306,914.56/423,563.36 = 186,060.94/x - Step 3: Cross multiply
306,914.56x = 423,563.36 × 186,060.94 - Step 4: Simplify right side
306,914.56x = 78,808,594,921.95 - Step 5: Solve for x
x = 78,808,594,921.95/306,914.56 - Step 6: Final answer
x = 256,776.99
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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.