Finding the Fourth Proportional to 156,645.45, 234,968.18 and 97,450.65
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Solution
The fourth proportional to 156,645.45, 234,968.18 and 97,450.65 is: 146,175.98
Step by Step Solution
- Step 1: Write the proportion equation
156,645.45 : 234,968.18 = 97,450.65 : x - Step 2: Convert to fraction form
156,645.45/234,968.18 = 97,450.65/x - Step 3: Cross multiply
156,645.45x = 234,968.18 × 97,450.65 - Step 4: Simplify right side
156,645.45x = 22,897,801,383.06 - Step 5: Solve for x
x = 22,897,801,383.06/156,645.45 - Step 6: Final answer
x = 146,175.98
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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.