Finding the Fourth Proportional to 503,445.96, 755,053.59 and 143,609.99
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Solution
The fourth proportional to 503,445.96, 755,053.59 and 143,609.99 is: 215,382.08
Step by Step Solution
- Step 1: Write the proportion equation
503,445.96 : 755,053.59 = 143,609.99 : x - Step 2: Convert to fraction form
503,445.96/755,053.59 = 143,609.99/x - Step 3: Cross multiply
503,445.96x = 755,053.59 × 143,609.99 - Step 4: Simplify right side
503,445.96x = 108,433,237,027.01 - Step 5: Solve for x
x = 108,433,237,027.01/503,445.96 - Step 6: Final answer
x = 215,382.08
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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.