Finding the Fourth Proportional to 347,251.80, 520,877.70 and 189,787.80
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Solution
The fourth proportional to 347,251.80, 520,877.70 and 189,787.80 is: 284,681.70
Step by Step Solution
- Step 1: Write the proportion equation
347,251.80 : 520,877.70 = 189,787.80 : x - Step 2: Convert to fraction form
347,251.80/520,877.70 = 189,787.80/x - Step 3: Cross multiply
347,251.80x = 520,877.70 × 189,787.80 - Step 4: Simplify right side
347,251.80x = 98,856,232,752.06 - Step 5: Solve for x
x = 98,856,232,752.06/347,251.80 - Step 6: Final answer
x = 284,681.70
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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.