Finding the Fourth Proportional to 381,247.36, 526,065.60 and 220,076.80
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Solution
The fourth proportional to 381,247.36, 526,065.60 and 220,076.80 is: 303,673.80
Step by Step Solution
- Step 1: Write the proportion equation
381,247.36 : 526,065.60 = 220,076.80 : x - Step 2: Convert to fraction form
381,247.36/526,065.60 = 220,076.80/x - Step 3: Cross multiply
381,247.36x = 526,065.60 × 220,076.80 - Step 4: Simplify right side
381,247.36x = 115,774,833,838.08 - Step 5: Solve for x
x = 115,774,833,838.08/381,247.36 - Step 6: Final answer
x = 303,673.80
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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.