Finding the Fourth Proportional to 178,558.96, 246,415.08 and 97,981.78
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Solution
The fourth proportional to 178,558.96, 246,415.08 and 97,981.78 is: 135,216.90
Step by Step Solution
- Step 1: Write the proportion equation
178,558.96 : 246,415.08 = 97,981.78 : x - Step 2: Convert to fraction form
178,558.96/246,415.08 = 97,981.78/x - Step 3: Cross multiply
178,558.96x = 246,415.08 × 97,981.78 - Step 4: Simplify right side
178,558.96x = 24,144,188,157.24 - Step 5: Solve for x
x = 24,144,188,157.24/178,558.96 - Step 6: Final answer
x = 135,216.90
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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.