Finding the Fourth Proportional to 483,747.80, 725,621.70 and 146,787.80
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Solution
The fourth proportional to 483,747.80, 725,621.70 and 146,787.80 is: 220,181.70
Step by Step Solution
- Step 1: Write the proportion equation
483,747.80 : 725,621.70 = 146,787.80 : x - Step 2: Convert to fraction form
483,747.80/725,621.70 = 146,787.80/x - Step 3: Cross multiply
483,747.80x = 725,621.70 × 146,787.80 - Step 4: Simplify right side
483,747.80x = 106,512,412,975.26 - Step 5: Solve for x
x = 106,512,412,975.26/483,747.80 - Step 6: Final answer
x = 220,181.70
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1.5x scale
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.