Finding the Fourth Proportional to 436,769.64, 655,154.24 and 121,226.46
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Solution
The fourth proportional to 436,769.64, 655,154.24 and 121,226.46 is: 181,839.63
Step by Step Solution
- Step 1: Write the proportion equation
436,769.64 : 655,154.24 = 121,226.46 : x - Step 2: Convert to fraction form
436,769.64/655,154.24 = 121,226.46/x - Step 3: Cross multiply
436,769.64x = 655,154.24 × 121,226.46 - Step 4: Simplify right side
436,769.64x = 79,422,029,269.19 - Step 5: Solve for x
x = 79,422,029,269.19/436,769.64 - Step 6: Final answer
x = 181,839.63
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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.