Finding the Fourth Proportional to 371,900.76, 513,228.24 and 202,134.84
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Solution
The fourth proportional to 371,900.76, 513,228.24 and 202,134.84 is: 278,948.90
Step by Step Solution
- Step 1: Write the proportion equation
371,900.76 : 513,228.24 = 202,134.84 : x - Step 2: Convert to fraction form
371,900.76/513,228.24 = 202,134.84/x - Step 3: Cross multiply
371,900.76x = 513,228.24 × 202,134.84 - Step 4: Simplify right side
371,900.76x = 103,741,308,175.88 - Step 5: Solve for x
x = 103,741,308,175.88/371,900.76 - Step 6: Final answer
x = 278,948.90
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1.5x scale
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.