Finding the Fourth Proportional to 306,198.62, 459,315.80 and 92,973.48
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Solution
The fourth proportional to 306,198.62, 459,315.80 and 92,973.48 is: 139,465.65
Step by Step Solution
- Step 1: Write the proportion equation
306,198.62 : 459,315.80 = 92,973.48 : x - Step 2: Convert to fraction form
306,198.62/459,315.80 = 92,973.48/x - Step 3: Cross multiply
306,198.62x = 459,315.80 × 92,973.48 - Step 4: Simplify right side
306,198.62x = 42,704,187,880.12 - Step 5: Solve for x
x = 42,704,187,880.12/306,198.62 - Step 6: Final answer
x = 139,465.65
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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.