Finding the Fourth Proportional to 247,278.40, 370,917.60 and 122,862.40
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Solution
The fourth proportional to 247,278.40, 370,917.60 and 122,862.40 is: 184,293.60
Step by Step Solution
- Step 1: Write the proportion equation
247,278.40 : 370,917.60 = 122,862.40 : x - Step 2: Convert to fraction form
247,278.40/370,917.60 = 122,862.40/x - Step 3: Cross multiply
247,278.40x = 370,917.60 × 122,862.40 - Step 4: Simplify right side
247,278.40x = 45,571,826,538.24 - Step 5: Solve for x
x = 45,571,826,538.24/247,278.40 - Step 6: Final answer
x = 184,293.60
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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.