Finding the Fourth Proportional to 178,772.98, 246,646.49 and 101,238.02
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Solution
The fourth proportional to 178,772.98, 246,646.49 and 101,238.02 is: 139,674.37
Step by Step Solution
- Step 1: Write the proportion equation
178,772.98 : 246,646.49 = 101,238.02 : x - Step 2: Convert to fraction form
178,772.98/246,646.49 = 101,238.02/x - Step 3: Cross multiply
178,772.98x = 246,646.49 × 101,238.02 - Step 4: Simplify right side
178,772.98x = 24,970,002,860.44 - Step 5: Solve for x
x = 24,970,002,860.44/178,772.98 - Step 6: Final answer
x = 139,674.37
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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.