Finding the Fourth Proportional to 492,787.96, 739,273.18 and 155,913.41
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Solution
The fourth proportional to 492,787.96, 739,273.18 and 155,913.41 is: 233,898.99
Step by Step Solution
- Step 1: Write the proportion equation
492,787.96 : 739,273.18 = 155,913.41 : x - Step 2: Convert to fraction form
492,787.96/739,273.18 = 155,913.41/x - Step 3: Cross multiply
492,787.96x = 739,273.18 × 155,913.41 - Step 4: Simplify right side
492,787.96x = 115,262,603,873.74 - Step 5: Solve for x
x = 115,262,603,873.74/492,787.96 - Step 6: Final answer
x = 233,898.99
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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.