Finding the Fourth Proportional to 447,406.46, 617,420.99 and 246,202.46
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Solution
The fourth proportional to 447,406.46, 617,420.99 and 246,202.46 is: 339,759.44
Step by Step Solution
- Step 1: Write the proportion equation
447,406.46 : 617,420.99 = 246,202.46 : x - Step 2: Convert to fraction form
447,406.46/617,420.99 = 246,202.46/x - Step 3: Cross multiply
447,406.46x = 617,420.99 × 246,202.46 - Step 4: Simplify right side
447,406.46x = 152,010,566,593.64 - Step 5: Solve for x
x = 152,010,566,593.64/447,406.46 - Step 6: Final answer
x = 339,759.44
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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.