Finding the Fourth Proportional to 418,752.21, 628,028.96 and 148,858.05
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Solution
The fourth proportional to 418,752.21, 628,028.96 and 148,858.05 is: 223,251.75
Step by Step Solution
- Step 1: Write the proportion equation
418,752.21 : 628,028.96 = 148,858.05 : x - Step 2: Convert to fraction form
418,752.21/628,028.96 = 148,858.05/x - Step 3: Cross multiply
418,752.21x = 628,028.96 × 148,858.05 - Step 4: Simplify right side
418,752.21x = 93,487,165,584.84 - Step 5: Solve for x
x = 93,487,165,584.84/418,752.21 - Step 6: Final answer
x = 223,251.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.