Finding the Fourth Proportional to 361,937.81, 542,910.89 and 109,220.49
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Solution
The fourth proportional to 361,937.81, 542,910.89 and 109,220.49 is: 163,831.99
Step by Step Solution
- Step 1: Write the proportion equation
361,937.81 : 542,910.89 = 109,220.49 : x - Step 2: Convert to fraction form
361,937.81/542,910.89 = 109,220.49/x - Step 3: Cross multiply
361,937.81x = 542,910.89 × 109,220.49 - Step 4: Simplify right side
361,937.81x = 59,296,990,717.58 - Step 5: Solve for x
x = 59,296,990,717.58/361,937.81 - Step 6: Final answer
x = 163,831.99
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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.