Finding the Fourth Proportional to 527,212.15, 790,654.68 and 190,208.99
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Solution
The fourth proportional to 527,212.15, 790,654.68 and 190,208.99 is: 285,254.48
Step by Step Solution
- Step 1: Write the proportion equation
527,212.15 : 790,654.68 = 190,208.99 : x - Step 2: Convert to fraction form
527,212.15/790,654.68 = 190,208.99/x - Step 3: Cross multiply
527,212.15x = 790,654.68 × 190,208.99 - Step 4: Simplify right side
527,212.15x = 150,389,628,121.57 - Step 5: Solve for x
x = 150,389,628,121.57/527,212.15 - Step 6: Final answer
x = 285,254.48
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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.