Finding the Fourth Proportional to 436,482.68, 654,722.19 and 120,938.67
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Solution
The fourth proportional to 436,482.68, 654,722.19 and 120,938.67 is: 181,407.50
Step by Step Solution
- Step 1: Write the proportion equation
436,482.68 : 654,722.19 = 120,938.67 : x - Step 2: Convert to fraction form
436,482.68/654,722.19 = 120,938.67/x - Step 3: Cross multiply
436,482.68x = 654,722.19 × 120,938.67 - Step 4: Simplify right side
436,482.68x = 79,181,230,878.09 - Step 5: Solve for x
x = 79,181,230,878.09/436,482.68 - Step 6: Final answer
x = 181,407.50
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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.