Finding the Fourth Proportional to 508,438.11, 762,203.97 and 193,116.45
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Solution
The fourth proportional to 508,438.11, 762,203.97 and 193,116.45 is: 289,502.54
Step by Step Solution
- Step 1: Write the proportion equation
508,438.11 : 762,203.97 = 193,116.45 : x - Step 2: Convert to fraction form
508,438.11/762,203.97 = 193,116.45/x - Step 3: Cross multiply
508,438.11x = 762,203.97 × 193,116.45 - Step 4: Simplify right side
508,438.11x = 147,194,124,862.31 - Step 5: Solve for x
x = 147,194,124,862.31/508,438.11 - Step 6: Final answer
x = 289,502.54
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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.