Finding the Fourth Proportional to 388,242.00, 582,503.12 and 135,559.71
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Solution
The fourth proportional to 388,242.00, 582,503.12 and 135,559.71 is: 203,388.49
Step by Step Solution
- Step 1: Write the proportion equation
388,242.00 : 582,503.12 = 135,559.71 : x - Step 2: Convert to fraction form
388,242.00/582,503.12 = 135,559.71/x - Step 3: Cross multiply
388,242.00x = 582,503.12 × 135,559.71 - Step 4: Simplify right side
388,242.00x = 78,963,954,021.30 - Step 5: Solve for x
x = 78,963,954,021.30/388,242.00 - Step 6: Final answer
x = 203,388.49
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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.