Finding the Fourth Proportional to 343,731.25, 474,352.37 and 192,831.49
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Solution
The fourth proportional to 343,731.25, 474,352.37 and 192,831.49 is: 266,109.28
Step by Step Solution
- Step 1: Write the proportion equation
343,731.25 : 474,352.37 = 192,831.49 : x - Step 2: Convert to fraction form
343,731.25/474,352.37 = 192,831.49/x - Step 3: Cross multiply
343,731.25x = 474,352.37 × 192,831.49 - Step 4: Simplify right side
343,731.25x = 91,470,074,292.13 - Step 5: Solve for x
x = 91,470,074,292.13/343,731.25 - Step 6: Final answer
x = 266,109.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.