Finding the Fourth Proportional to 208,850.74, 313,270.44 and 144,746.26
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Solution
The fourth proportional to 208,850.74, 313,270.44 and 144,746.26 is: 217,115.46
Step by Step Solution
- Step 1: Write the proportion equation
208,850.74 : 313,270.44 = 144,746.26 : x - Step 2: Convert to fraction form
208,850.74/313,270.44 = 144,746.26/x - Step 3: Cross multiply
208,850.74x = 313,270.44 × 144,746.26 - Step 4: Simplify right side
208,850.74x = 45,344,724,558.55 - Step 5: Solve for x
x = 45,344,724,558.55/208,850.74 - Step 6: Final answer
x = 217,115.46
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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.