Finding the Fourth Proportional to 411,465.02, 617,193.06 and 312,234.62
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Solution
The fourth proportional to 411,465.02, 617,193.06 and 312,234.62 is: 468,348.54
Step by Step Solution
- Step 1: Write the proportion equation
411,465.02 : 617,193.06 = 312,234.62 : x - Step 2: Convert to fraction form
411,465.02/617,193.06 = 312,234.62/x - Step 3: Cross multiply
411,465.02x = 617,193.06 × 312,234.62 - Step 4: Simplify right side
411,465.02x = 192,709,040,555.74 - Step 5: Solve for x
x = 192,709,040,555.74/411,465.02 - Step 6: Final answer
x = 468,348.54
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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.