Finding the Fourth Proportional to 191,243.02, 263,911.62 and 106,358.26
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Solution
The fourth proportional to 191,243.02, 263,911.62 and 106,358.26 is: 146,772.31
Step by Step Solution
- Step 1: Write the proportion equation
191,243.02 : 263,911.62 = 106,358.26 : x - Step 2: Convert to fraction form
191,243.02/263,911.62 = 106,358.26/x - Step 3: Cross multiply
191,243.02x = 263,911.62 × 106,358.26 - Step 4: Simplify right side
191,243.02x = 28,069,180,696.98 - Step 5: Solve for x
x = 28,069,180,696.98/191,243.02 - Step 6: Final answer
x = 146,772.31
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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.