Finding the Fourth Proportional to 477,980.84, 717,121.95 and 225,251.12
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Solution
The fourth proportional to 477,980.84, 717,121.95 and 225,251.12 is: 337,947.69
Step by Step Solution
- Step 1: Write the proportion equation
477,980.84 : 717,121.95 = 225,251.12 : x - Step 2: Convert to fraction form
477,980.84/717,121.95 = 225,251.12/x - Step 3: Cross multiply
477,980.84x = 717,121.95 × 225,251.12 - Step 4: Simplify right side
477,980.84x = 161,532,517,702.22 - Step 5: Solve for x
x = 161,532,517,702.22/477,980.84 - Step 6: Final answer
x = 337,947.69
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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.