Finding the Fourth Proportional to 447,403.96, 617,417.54 and 246,199.96
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Solution
The fourth proportional to 447,403.96, 617,417.54 and 246,199.96 is: 339,755.99
Step by Step Solution
- Step 1: Write the proportion equation
447,403.96 : 617,417.54 = 246,199.96 : x - Step 2: Convert to fraction form
447,403.96/617,417.54 = 246,199.96/x - Step 3: Cross multiply
447,403.96x = 617,417.54 × 246,199.96 - Step 4: Simplify right side
447,403.96x = 152,008,173,651.30 - Step 5: Solve for x
x = 152,008,173,651.30/447,403.96 - Step 6: Final answer
x = 339,755.99
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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.