Finding the Fourth Proportional to 456,291.58, 629,686.56 and 252,331.96
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Solution
The fourth proportional to 456,291.58, 629,686.56 and 252,331.96 is: 348,220.42
Step by Step Solution
- Step 1: Write the proportion equation
456,291.58 : 629,686.56 = 252,331.96 : x - Step 2: Convert to fraction form
456,291.58/629,686.56 = 252,331.96/x - Step 3: Cross multiply
456,291.58x = 629,686.56 × 252,331.96 - Step 4: Simplify right side
456,291.58x = 158,890,043,870.46 - Step 5: Solve for x
x = 158,890,043,870.46/456,291.58 - Step 6: Final answer
x = 348,220.42
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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.