Finding the Fourth Proportional to 811,338.30, 1,217,122.65 and 250,314.30
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Solution
The fourth proportional to 811,338.30, 1,217,122.65 and 250,314.30 is: 375,506.99
Step by Step Solution
- Step 1: Write the proportion equation
811,338.30 : 1,217,122.65 = 250,314.30 : x - Step 2: Convert to fraction form
811,338.30/1,217,122.65 = 250,314.30/x - Step 3: Cross multiply
811,338.30x = 1,217,122.65 × 250,314.30 - Step 4: Simplify right side
811,338.30x = 304,663,204,148.90 - Step 5: Solve for x
x = 304,663,204,148.90/811,338.30 - Step 6: Final answer
x = 375,506.99
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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.