Finding the Fourth Proportional to 178,941.05, 246,943.40 and 97,274.80
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Solution
The fourth proportional to 178,941.05, 246,943.40 and 97,274.80 is: 134,241.81
Step by Step Solution
- Step 1: Write the proportion equation
178,941.05 : 246,943.40 = 97,274.80 : x - Step 2: Convert to fraction form
178,941.05/246,943.40 = 97,274.80/x - Step 3: Cross multiply
178,941.05x = 246,943.40 × 97,274.80 - Step 4: Simplify right side
178,941.05x = 24,021,369,846.32 - Step 5: Solve for x
x = 24,021,369,846.32/178,941.05 - Step 6: Final answer
x = 134,241.81
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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.