Finding the Fourth Proportional to 178,563.96, 246,421.98 and 97,986.78
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Solution
The fourth proportional to 178,563.96, 246,421.98 and 97,986.78 is: 135,223.80
Step by Step Solution
- Step 1: Write the proportion equation
178,563.96 : 246,421.98 = 97,986.78 : x - Step 2: Convert to fraction form
178,563.96/246,421.98 = 97,986.78/x - Step 3: Cross multiply
178,563.96x = 246,421.98 × 97,986.78 - Step 4: Simplify right side
178,563.96x = 24,146,096,341.42 - Step 5: Solve for x
x = 24,146,096,341.42/178,563.96 - Step 6: Final answer
x = 135,223.80
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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.