Finding the Fourth Proportional to 323,840.36, 446,747.17 and 210,621.80
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Solution
The fourth proportional to 323,840.36, 446,747.17 and 210,621.80 is: 290,558.88
Step by Step Solution
- Step 1: Write the proportion equation
323,840.36 : 446,747.17 = 210,621.80 : x - Step 2: Convert to fraction form
323,840.36/446,747.17 = 210,621.80/x - Step 3: Cross multiply
323,840.36x = 446,747.17 × 210,621.80 - Step 4: Simplify right side
323,840.36x = 94,094,689,803.46 - Step 5: Solve for x
x = 94,094,689,803.46/323,840.36 - Step 6: Final answer
x = 290,558.88
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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.