Finding the Fourth Proportional to 209,214.98, 313,819.73 and 51,444.80
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Solution
The fourth proportional to 209,214.98, 313,819.73 and 51,444.80 is: 77,166.52
Step by Step Solution
- Step 1: Write the proportion equation
209,214.98 : 313,819.73 = 51,444.80 : x - Step 2: Convert to fraction form
209,214.98/313,819.73 = 51,444.80/x - Step 3: Cross multiply
209,214.98x = 313,819.73 × 51,444.80 - Step 4: Simplify right side
209,214.98x = 16,144,391,419.58 - Step 5: Solve for x
x = 16,144,391,419.58/209,214.98 - Step 6: Final answer
x = 77,166.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.