Finding the Fourth Proportional to 217,203.60, 325,829.70 and 67,442.70
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Solution
The fourth proportional to 217,203.60, 325,829.70 and 67,442.70 is: 101,171.60
Step by Step Solution
- Step 1: Write the proportion equation
217,203.60 : 325,829.70 = 67,442.70 : x - Step 2: Convert to fraction form
217,203.60/325,829.70 = 67,442.70/x - Step 3: Cross multiply
217,203.60x = 325,829.70 × 67,442.70 - Step 4: Simplify right side
217,203.60x = 21,974,834,708.19 - Step 5: Solve for x
x = 21,974,834,708.19/217,203.60 - Step 6: Final answer
x = 101,171.60
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1.5x scale
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.