Finding the Fourth Proportional to 416,947.68, 575,385.36 and 225,960.96
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Solution
The fourth proportional to 416,947.68, 575,385.36 and 225,960.96 is: 311,824.80
Step by Step Solution
- Step 1: Write the proportion equation
416,947.68 : 575,385.36 = 225,960.96 : x - Step 2: Convert to fraction form
416,947.68/575,385.36 = 225,960.96/x - Step 3: Cross multiply
416,947.68x = 575,385.36 × 225,960.96 - Step 4: Simplify right side
416,947.68x = 130,014,628,315.55 - Step 5: Solve for x
x = 130,014,628,315.55/416,947.68 - Step 6: Final answer
x = 311,824.80
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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.