Finding the Fourth Proportional to 561,858.88, 842,913.20 and 262,176
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Solution
The fourth proportional to 561,858.88, 842,913.20 and 262,176 is: 393,322.27
Step by Step Solution
- Step 1: Write the proportion equation
561,858.88 : 842,913.20 = 262,176 : x - Step 2: Convert to fraction form
561,858.88/842,913.20 = 262,176/x - Step 3: Cross multiply
561,858.88x = 842,913.20 × 262,176 - Step 4: Simplify right side
561,858.88x = 220,991,611,123.20 - Step 5: Solve for x
x = 220,991,611,123.20/561,858.88 - Step 6: Final answer
x = 393,322.27
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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.