Finding the Fourth Proportional to 436,189.68, 654,283.53 and 136,693.08
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Solution
The fourth proportional to 436,189.68, 654,283.53 and 136,693.08 is: 205,039.31
Step by Step Solution
- Step 1: Write the proportion equation
436,189.68 : 654,283.53 = 136,693.08 : x - Step 2: Convert to fraction form
436,189.68/654,283.53 = 136,693.08/x - Step 3: Cross multiply
436,189.68x = 654,283.53 × 136,693.08 - Step 4: Simplify right side
436,189.68x = 89,436,030,908.97 - Step 5: Solve for x
x = 89,436,030,908.97/436,189.68 - Step 6: Final answer
x = 205,039.31
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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.