Finding the Fourth Proportional to 447,570.42, 617,660.18 and 243,634.50
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Solution
The fourth proportional to 447,570.42, 617,660.18 and 243,634.50 is: 336,222.68
Step by Step Solution
- Step 1: Write the proportion equation
447,570.42 : 617,660.18 = 243,634.50 : x - Step 2: Convert to fraction form
447,570.42/617,660.18 = 243,634.50/x - Step 3: Cross multiply
447,570.42x = 617,660.18 × 243,634.50 - Step 4: Simplify right side
447,570.42x = 150,483,327,906.04 - Step 5: Solve for x
x = 150,483,327,906.04/447,570.42 - Step 6: Final answer
x = 336,222.68
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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.