Finding the Fourth Proportional to 334,831.52, 461,937.28 and 189,603.94
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Solution
The fourth proportional to 334,831.52, 461,937.28 and 189,603.94 is: 261,579.70
Step by Step Solution
- Step 1: Write the proportion equation
334,831.52 : 461,937.28 = 189,603.94 : x - Step 2: Convert to fraction form
334,831.52/461,937.28 = 189,603.94/x - Step 3: Cross multiply
334,831.52x = 461,937.28 × 189,603.94 - Step 4: Simplify right side
334,831.52x = 87,585,127,913.67 - Step 5: Solve for x
x = 87,585,127,913.67/334,831.52 - Step 6: Final answer
x = 261,579.70
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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.