Finding the Fourth Proportional to 447,431.23, 617,455.19 and 246,227.23
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Solution
The fourth proportional to 447,431.23, 617,455.19 and 246,227.23 is: 339,793.63
Step by Step Solution
- Step 1: Write the proportion equation
447,431.23 : 617,455.19 = 246,227.23 : x - Step 2: Convert to fraction form
447,431.23/617,455.19 = 246,227.23/x - Step 3: Cross multiply
447,431.23x = 617,455.19 × 246,227.23 - Step 4: Simplify right side
447,431.23x = 152,034,280,775.04 - Step 5: Solve for x
x = 152,034,280,775.04/447,431.23 - Step 6: Final answer
x = 339,793.63
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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.