Finding the Fourth Proportional to 527,207.15, 790,647.19 and 190,203.99
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Solution
The fourth proportional to 527,207.15, 790,647.19 and 190,203.99 is: 285,246.98
Step by Step Solution
- Step 1: Write the proportion equation
527,207.15 : 790,647.19 = 190,203.99 : x - Step 2: Convert to fraction form
527,207.15/790,647.19 = 190,203.99/x - Step 3: Cross multiply
527,207.15x = 790,647.19 × 190,203.99 - Step 4: Simplify right side
527,207.15x = 150,384,248,136.22 - Step 5: Solve for x
x = 150,384,248,136.22/527,207.15 - Step 6: Final answer
x = 285,246.98
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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.