Finding the Fourth Proportional to 336,128.14, 504,193.20 and 86,810.14
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Solution
The fourth proportional to 336,128.14, 504,193.20 and 86,810.14 is: 130,215.47
Step by Step Solution
- Step 1: Write the proportion equation
336,128.14 : 504,193.20 = 86,810.14 : x - Step 2: Convert to fraction form
336,128.14/504,193.20 = 86,810.14/x - Step 3: Cross multiply
336,128.14x = 504,193.20 × 86,810.14 - Step 4: Simplify right side
336,128.14x = 43,769,082,279.05 - Step 5: Solve for x
x = 43,769,082,279.05/336,128.14 - Step 6: Final answer
x = 130,215.47
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1.5x scale
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.