Finding the Fourth Proportional to 156,765.36, 235,450.62 and 134,326.74
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Solution
The fourth proportional to 156,765.36, 235,450.62 and 134,326.74 is: 201,749.38
Step by Step Solution
- Step 1: Write the proportion equation
156,765.36 : 235,450.62 = 134,326.74 : x - Step 2: Convert to fraction form
156,765.36/235,450.62 = 134,326.74/x - Step 3: Cross multiply
156,765.36x = 235,450.62 × 134,326.74 - Step 4: Simplify right side
156,765.36x = 31,627,314,215.58 - Step 5: Solve for x
x = 31,627,314,215.58/156,765.36 - Step 6: Final answer
x = 201,749.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.