Finding the Fourth Proportional to 250,772.35, 346,065.84 and 143,344.70
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Solution
The fourth proportional to 250,772.35, 346,065.84 and 143,344.70 is: 197,815.69
Step by Step Solution
- Step 1: Write the proportion equation
250,772.35 : 346,065.84 = 143,344.70 : x - Step 2: Convert to fraction form
250,772.35/346,065.84 = 143,344.70/x - Step 3: Cross multiply
250,772.35x = 346,065.84 × 143,344.70 - Step 4: Simplify right side
250,772.35x = 49,606,704,880.21 - Step 5: Solve for x
x = 49,606,704,880.21/250,772.35 - Step 6: Final answer
x = 197,815.69
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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.