Finding the Fourth Proportional to 170,471.56, 235,223.20 and 98,837.68
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Solution
The fourth proportional to 170,471.56, 235,223.20 and 98,837.68 is: 136,380.02
Step by Step Solution
- Step 1: Write the proportion equation
170,471.56 : 235,223.20 = 98,837.68 : x - Step 2: Convert to fraction form
170,471.56/235,223.20 = 98,837.68/x - Step 3: Cross multiply
170,471.56x = 235,223.20 × 98,837.68 - Step 4: Simplify right side
170,471.56x = 23,248,915,370.18 - Step 5: Solve for x
x = 23,248,915,370.18/170,471.56 - Step 6: Final answer
x = 136,380.02
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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.