Finding the Fourth Proportional to 749,992.30, 1,124,879.10 and 217,457.80
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Solution
The fourth proportional to 749,992.30, 1,124,879.10 and 217,457.80 is: 326,154.99
Step by Step Solution
- Step 1: Write the proportion equation
749,992.30 : 1,124,879.10 = 217,457.80 : x - Step 2: Convert to fraction form
749,992.30/1,124,879.10 = 217,457.80/x - Step 3: Cross multiply
749,992.30x = 1,124,879.10 × 217,457.80 - Step 4: Simplify right side
749,992.30x = 244,613,734,351.98 - Step 5: Solve for x
x = 244,613,734,351.98/749,992.30 - Step 6: Final answer
x = 326,154.99
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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.