Finding the Fourth Proportional to 213,085.84, 294,169.02 and 155,660.68
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Solution
The fourth proportional to 213,085.84, 294,169.02 and 155,660.68 is: 214,892.50
Step by Step Solution
- Step 1: Write the proportion equation
213,085.84 : 294,169.02 = 155,660.68 : x - Step 2: Convert to fraction form
213,085.84/294,169.02 = 155,660.68/x - Step 3: Cross multiply
213,085.84x = 294,169.02 × 155,660.68 - Step 4: Simplify right side
213,085.84x = 45,790,549,688.13 - Step 5: Solve for x
x = 45,790,549,688.13/213,085.84 - Step 6: Final answer
x = 214,892.50
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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.