Finding the Fourth Proportional to 447,380.19, 617,384.67 and 246,176.19
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Solution
The fourth proportional to 447,380.19, 617,384.67 and 246,176.19 is: 339,723.14
Step by Step Solution
- Step 1: Write the proportion equation
447,380.19 : 617,384.67 = 246,176.19 : x - Step 2: Convert to fraction form
447,380.19/617,384.67 = 246,176.19/x - Step 3: Cross multiply
447,380.19x = 617,384.67 × 246,176.19 - Step 4: Simplify right side
447,380.19x = 151,985,404,594.13 - Step 5: Solve for x
x = 151,985,404,594.13/447,380.19 - Step 6: Final answer
x = 339,723.14
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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.