Finding the Fourth Proportional to 213,247.08, 294,282.72 and 117,748.08
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Solution
The fourth proportional to 213,247.08, 294,282.72 and 117,748.08 is: 162,493.32
Step by Step Solution
- Step 1: Write the proportion equation
213,247.08 : 294,282.72 = 117,748.08 : x - Step 2: Convert to fraction form
213,247.08/294,282.72 = 117,748.08/x - Step 3: Cross multiply
213,247.08x = 294,282.72 × 117,748.08 - Step 4: Simplify right side
213,247.08x = 34,651,225,257.18 - Step 5: Solve for x
x = 34,651,225,257.18/213,247.08 - Step 6: Final answer
x = 162,493.32
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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.