Finding the Fourth Proportional to 190,921.76, 263,467.44 and 106,038.08
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Solution
The fourth proportional to 190,921.76, 263,467.44 and 106,038.08 is: 146,330.00
Step by Step Solution
- Step 1: Write the proportion equation
190,921.76 : 263,467.44 = 106,038.08 : x - Step 2: Convert to fraction form
190,921.76/263,467.44 = 106,038.08/x - Step 3: Cross multiply
190,921.76x = 263,467.44 × 106,038.08 - Step 4: Simplify right side
190,921.76x = 27,937,581,480.12 - Step 5: Solve for x
x = 27,937,581,480.12/190,921.76 - Step 6: Final answer
x = 146,330.00
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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.