Finding the Fourth Proportional to 436,159.56, 654,239.13 and 136,663.68
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Solution
The fourth proportional to 436,159.56, 654,239.13 and 136,663.68 is: 204,995.45
Step by Step Solution
- Step 1: Write the proportion equation
436,159.56 : 654,239.13 = 136,663.68 : x - Step 2: Convert to fraction form
436,159.56/654,239.13 = 136,663.68/x - Step 3: Cross multiply
436,159.56x = 654,239.13 × 136,663.68 - Step 4: Simplify right side
436,159.56x = 89,410,727,105.80 - Step 5: Solve for x
x = 89,410,727,105.80/436,159.56 - Step 6: Final answer
x = 204,995.45
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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.