Finding the Fourth Proportional to 247,270.36, 341,239.60 and 139,856.26
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Solution
The fourth proportional to 247,270.36, 341,239.60 and 139,856.26 is: 193,005.32
Step by Step Solution
- Step 1: Write the proportion equation
247,270.36 : 341,239.60 = 139,856.26 : x - Step 2: Convert to fraction form
247,270.36/341,239.60 = 139,856.26/x - Step 3: Cross multiply
247,270.36x = 341,239.60 × 139,856.26 - Step 4: Simplify right side
247,270.36x = 47,724,494,219.90 - Step 5: Solve for x
x = 47,724,494,219.90/247,270.36 - Step 6: Final answer
x = 193,005.32
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1.5x scale
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.