Finding the Fourth Proportional to 449,122.30, 619,705.84 and 255,518.70
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Solution
The fourth proportional to 449,122.30, 619,705.84 and 255,518.70 is: 352,568.62
Step by Step Solution
- Step 1: Write the proportion equation
449,122.30 : 619,705.84 = 255,518.70 : x - Step 2: Convert to fraction form
449,122.30/619,705.84 = 255,518.70/x - Step 3: Cross multiply
449,122.30x = 619,705.84 × 255,518.70 - Step 4: Simplify right side
449,122.30x = 158,346,430,619.21 - Step 5: Solve for x
x = 158,346,430,619.21/449,122.30 - Step 6: Final answer
x = 352,568.62
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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.