Finding the Fourth Proportional to 178,655.02, 246,379.36 and 121,380.07
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Solution
The fourth proportional to 178,655.02, 246,379.36 and 121,380.07 is: 167,392.69
Step by Step Solution
- Step 1: Write the proportion equation
178,655.02 : 246,379.36 = 121,380.07 : x - Step 2: Convert to fraction form
178,655.02/246,379.36 = 121,380.07/x - Step 3: Cross multiply
178,655.02x = 246,379.36 × 121,380.07 - Step 4: Simplify right side
178,655.02x = 29,905,543,963.36 - Step 5: Solve for x
x = 29,905,543,963.36/178,655.02 - Step 6: Final answer
x = 167,392.69
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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.