Finding the Fourth Proportional to 213,358.09, 294,423.28 and 117,846.31
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Solution
The fourth proportional to 213,358.09, 294,423.28 and 117,846.31 is: 162,621.90
Step by Step Solution
- Step 1: Write the proportion equation
213,358.09 : 294,423.28 = 117,846.31 : x - Step 2: Convert to fraction form
213,358.09/294,423.28 = 117,846.31/x - Step 3: Cross multiply
213,358.09x = 294,423.28 × 117,846.31 - Step 4: Simplify right side
213,358.09x = 34,696,697,126.10 - Step 5: Solve for x
x = 34,696,697,126.10/213,358.09 - Step 6: Final answer
x = 162,621.90
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1.5x scale
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.