Finding the Fourth Proportional to 345,660.12, 476,740.55 and 224,839.99
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Solution
The fourth proportional to 345,660.12, 476,740.55 and 224,839.99 is: 310,103.29
Step by Step Solution
- Step 1: Write the proportion equation
345,660.12 : 476,740.55 = 224,839.99 : x - Step 2: Convert to fraction form
345,660.12/476,740.55 = 224,839.99/x - Step 3: Cross multiply
345,660.12x = 476,740.55 × 224,839.99 - Step 4: Simplify right side
345,660.12x = 107,190,341,652.62 - Step 5: Solve for x
x = 107,190,341,652.62/345,660.12 - Step 6: Final answer
x = 310,103.29
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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.