Finding the Fourth Proportional to 387,321.97, 581,076.35 and 134,565.67
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Solution
The fourth proportional to 387,321.97, 581,076.35 and 134,565.67 is: 201,880.95
Step by Step Solution
- Step 1: Write the proportion equation
387,321.97 : 581,076.35 = 134,565.67 : x - Step 2: Convert to fraction form
387,321.97/581,076.35 = 134,565.67/x - Step 3: Cross multiply
387,321.97x = 581,076.35 × 134,565.67 - Step 4: Simplify right side
387,321.97x = 78,192,925,453.52 - Step 5: Solve for x
x = 78,192,925,453.52/387,321.97 - Step 6: Final answer
x = 201,880.95
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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.