Finding the Fourth Proportional to 272,968.08, 409,682.16 and 115,309.68
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Solution
The fourth proportional to 272,968.08, 409,682.16 and 115,309.68 is: 173,061.70
Step by Step Solution
- Step 1: Write the proportion equation
272,968.08 : 409,682.16 = 115,309.68 : x - Step 2: Convert to fraction form
272,968.08/409,682.16 = 115,309.68/x - Step 3: Cross multiply
272,968.08x = 409,682.16 × 115,309.68 - Step 4: Simplify right side
272,968.08x = 47,240,318,771.31 - Step 5: Solve for x
x = 47,240,318,771.31/272,968.08 - Step 6: Final answer
x = 173,061.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.