Finding the Fourth Proportional to 146,228.10, 219,232.80 and 79,743.30
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Solution
The fourth proportional to 146,228.10, 219,232.80 and 79,743.30 is: 119,555.32
Step by Step Solution
- Step 1: Write the proportion equation
146,228.10 : 219,232.80 = 79,743.30 : x - Step 2: Convert to fraction form
146,228.10/219,232.80 = 79,743.30/x - Step 3: Cross multiply
146,228.10x = 219,232.80 × 79,743.30 - Step 4: Simplify right side
146,228.10x = 17,482,346,940.24 - Step 5: Solve for x
x = 17,482,346,940.24/146,228.10 - Step 6: Final answer
x = 119,555.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.