Finding the Fourth Proportional to 347,555.75, 520,439.99 and 240,787.62
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Solution
The fourth proportional to 347,555.75, 520,439.99 and 240,787.62 is: 360,562.32
Step by Step Solution
- Step 1: Write the proportion equation
347,555.75 : 520,439.99 = 240,787.62 : x - Step 2: Convert to fraction form
347,555.75/520,439.99 = 240,787.62/x - Step 3: Cross multiply
347,555.75x = 520,439.99 × 240,787.62 - Step 4: Simplify right side
347,555.75x = 125,315,505,340.99 - Step 5: Solve for x
x = 125,315,505,340.99/347,555.75 - Step 6: Final answer
x = 360,562.32
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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.