Finding the Fourth Proportional to 351,593.14, 484,879.58 and 230,688.48
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Solution
The fourth proportional to 351,593.14, 484,879.58 and 230,688.48 is: 318,140.83
Step by Step Solution
- Step 1: Write the proportion equation
351,593.14 : 484,879.58 = 230,688.48 : x - Step 2: Convert to fraction form
351,593.14/484,879.58 = 230,688.48/x - Step 3: Cross multiply
351,593.14x = 484,879.58 × 230,688.48 - Step 4: Simplify right side
351,593.14x = 111,856,133,293.24 - Step 5: Solve for x
x = 111,856,133,293.24/351,593.14 - Step 6: Final answer
x = 318,140.83
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1.5x scale
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.