Finding the Fourth Proportional to 418,992.18, 628,107.03 and 152,691.99
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Solution
The fourth proportional to 418,992.18, 628,107.03 and 152,691.99 is: 228,899.05
Step by Step Solution
- Step 1: Write the proportion equation
418,992.18 : 628,107.03 = 152,691.99 : x - Step 2: Convert to fraction form
418,992.18/628,107.03 = 152,691.99/x - Step 3: Cross multiply
418,992.18x = 628,107.03 × 152,691.99 - Step 4: Simplify right side
418,992.18x = 95,906,912,343.69 - Step 5: Solve for x
x = 95,906,912,343.69/418,992.18 - Step 6: Final answer
x = 228,899.05
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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.