Finding the Fourth Proportional to 527,371.14, 727,772.30 and 285,652.96
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Solution
The fourth proportional to 527,371.14, 727,772.30 and 285,652.96 is: 394,201.15
Step by Step Solution
- Step 1: Write the proportion equation
527,371.14 : 727,772.30 = 285,652.96 : x - Step 2: Convert to fraction form
527,371.14/727,772.30 = 285,652.96/x - Step 3: Cross multiply
527,371.14x = 727,772.30 × 285,652.96 - Step 4: Simplify right side
527,371.14x = 207,890,311,701.01 - Step 5: Solve for x
x = 207,890,311,701.01/527,371.14 - Step 6: Final answer
x = 394,201.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.