Finding the Fourth Proportional to 447,245.22, 617,209.68 and 243,307.62
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Solution
The fourth proportional to 447,245.22, 617,209.68 and 243,307.62 is: 335,770.65
Step by Step Solution
- Step 1: Write the proportion equation
447,245.22 : 617,209.68 = 243,307.62 : x - Step 2: Convert to fraction form
447,245.22/617,209.68 = 243,307.62/x - Step 3: Cross multiply
447,245.22x = 617,209.68 × 243,307.62 - Step 4: Simplify right side
447,245.22x = 150,171,818,281.76 - Step 5: Solve for x
x = 150,171,818,281.76/447,245.22 - Step 6: Final answer
x = 335,770.65
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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.