Finding the Fourth Proportional to 246,491.10, 340,155.79 and 133,313.85
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Solution
The fourth proportional to 246,491.10, 340,155.79 and 133,313.85 is: 183,972.07
Step by Step Solution
- Step 1: Write the proportion equation
246,491.10 : 340,155.79 = 133,313.85 : x - Step 2: Convert to fraction form
246,491.10/340,155.79 = 133,313.85/x - Step 3: Cross multiply
246,491.10x = 340,155.79 × 133,313.85 - Step 4: Simplify right side
246,491.10x = 45,347,477,631.41 - Step 5: Solve for x
x = 45,347,477,631.41/246,491.10 - Step 6: Final answer
x = 183,972.07
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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.