Finding the Fourth Proportional to 213,356.09, 294,420.52 and 117,844.31
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Solution
The fourth proportional to 213,356.09, 294,420.52 and 117,844.31 is: 162,619.14
Step by Step Solution
- Step 1: Write the proportion equation
213,356.09 : 294,420.52 = 117,844.31 : x - Step 2: Convert to fraction form
213,356.09/294,420.52 = 117,844.31/x - Step 3: Cross multiply
213,356.09x = 294,420.52 × 117,844.31 - Step 4: Simplify right side
213,356.09x = 34,695,783,029.24 - Step 5: Solve for x
x = 34,695,783,029.24/213,356.09 - Step 6: Final answer
x = 162,619.14
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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.