Finding the Fourth Proportional to 753,217.92, 1,129,865.76 and 192,257.28
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Solution
The fourth proportional to 753,217.92, 1,129,865.76 and 192,257.28 is: 288,395.84
Step by Step Solution
- Step 1: Write the proportion equation
753,217.92 : 1,129,865.76 = 192,257.28 : x - Step 2: Convert to fraction form
753,217.92/1,129,865.76 = 192,257.28/x - Step 3: Cross multiply
753,217.92x = 1,129,865.76 × 192,257.28 - Step 4: Simplify right side
753,217.92x = 217,224,917,782.73 - Step 5: Solve for x
x = 217,224,917,782.73/753,217.92 - Step 6: Final answer
x = 288,395.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.