Finding the Fourth Proportional to 371,900.21, 557,628.57 and 147,292.88
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Solution
The fourth proportional to 371,900.21, 557,628.57 and 147,292.88 is: 220,851.49
Step by Step Solution
- Step 1: Write the proportion equation
371,900.21 : 557,628.57 = 147,292.88 : x - Step 2: Convert to fraction form
371,900.21/557,628.57 = 147,292.88/x - Step 3: Cross multiply
371,900.21x = 557,628.57 × 147,292.88 - Step 4: Simplify right side
371,900.21x = 82,134,715,257.44 - Step 5: Solve for x
x = 82,134,715,257.44/371,900.21 - Step 6: Final answer
x = 220,851.49
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1.5x scale
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.