Finding the Fourth Proportional to 157,027.44, 216,698.88 and 85,407.96
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Solution
The fourth proportional to 157,027.44, 216,698.88 and 85,407.96 is: 117,863.54
Step by Step Solution
- Step 1: Write the proportion equation
157,027.44 : 216,698.88 = 85,407.96 : x - Step 2: Convert to fraction form
157,027.44/216,698.88 = 85,407.96/x - Step 3: Cross multiply
157,027.44x = 216,698.88 × 85,407.96 - Step 4: Simplify right side
157,027.44x = 18,507,809,275.08 - Step 5: Solve for x
x = 18,507,809,275.08/157,027.44 - Step 6: Final answer
x = 117,863.54
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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.