Finding the Fourth Proportional to 157,327.74, 217,037.84 and 106,358.31
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Solution
The fourth proportional to 157,327.74, 217,037.84 and 106,358.31 is: 146,724.14
Step by Step Solution
- Step 1: Write the proportion equation
157,327.74 : 217,037.84 = 106,358.31 : x - Step 2: Convert to fraction form
157,327.74/217,037.84 = 106,358.31/x - Step 3: Cross multiply
157,327.74x = 217,037.84 × 106,358.31 - Step 4: Simplify right side
157,327.74x = 23,083,777,336.66 - Step 5: Solve for x
x = 23,083,777,336.66/157,327.74 - Step 6: Final answer
x = 146,724.14
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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.