Finding the Fourth Proportional to 466,368.21, 699,474.05 and 129,443.09
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Solution
The fourth proportional to 466,368.21, 699,474.05 and 129,443.09 is: 194,142.91
Step by Step Solution
- Step 1: Write the proportion equation
466,368.21 : 699,474.05 = 129,443.09 : x - Step 2: Convert to fraction form
466,368.21/699,474.05 = 129,443.09/x - Step 3: Cross multiply
466,368.21x = 699,474.05 × 129,443.09 - Step 4: Simplify right side
466,368.21x = 90,542,078,909.44 - Step 5: Solve for x
x = 90,542,078,909.44/466,368.21 - Step 6: Final answer
x = 194,142.91
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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.