Finding the Fourth Proportional to 324,881.20, 487,321.80 and 246,149.20
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Solution
The fourth proportional to 324,881.20, 487,321.80 and 246,149.20 is: 369,223.80
Step by Step Solution
- Step 1: Write the proportion equation
324,881.20 : 487,321.80 = 246,149.20 : x - Step 2: Convert to fraction form
324,881.20/487,321.80 = 246,149.20/x - Step 3: Cross multiply
324,881.20x = 487,321.80 × 246,149.20 - Step 4: Simplify right side
324,881.20x = 119,953,871,212.56 - Step 5: Solve for x
x = 119,953,871,212.56/324,881.20 - Step 6: Final answer
x = 369,223.80
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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.