Finding the Fourth Proportional to 229,887.41, 317,197.10 and 134,375.63
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Solution
The fourth proportional to 229,887.41, 317,197.10 and 134,375.63 is: 185,410.59
Step by Step Solution
- Step 1: Write the proportion equation
229,887.41 : 317,197.10 = 134,375.63 : x - Step 2: Convert to fraction form
229,887.41/317,197.10 = 134,375.63/x - Step 3: Cross multiply
229,887.41x = 317,197.10 × 134,375.63 - Step 4: Simplify right side
229,887.41x = 42,623,559,474.79 - Step 5: Solve for x
x = 42,623,559,474.79/229,887.41 - Step 6: Final answer
x = 185,410.59
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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.