Finding the Fourth Proportional to 423,384.75, 584,250.99 and 229,788.09
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Solution
The fourth proportional to 423,384.75, 584,250.99 and 229,788.09 is: 317,096.73
Step by Step Solution
- Step 1: Write the proportion equation
423,384.75 : 584,250.99 = 229,788.09 : x - Step 2: Convert to fraction form
423,384.75/584,250.99 = 229,788.09/x - Step 3: Cross multiply
423,384.75x = 584,250.99 × 229,788.09 - Step 4: Simplify right side
423,384.75x = 134,253,919,072.71 - Step 5: Solve for x
x = 134,253,919,072.71/423,384.75 - Step 6: Final answer
x = 317,096.73
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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.