Finding the Fourth Proportional to 449,187.48, 619,982.70 and 258,310.98
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Solution
The fourth proportional to 449,187.48, 619,982.70 and 258,310.98 is: 356,528.95
Step by Step Solution
- Step 1: Write the proportion equation
449,187.48 : 619,982.70 = 258,310.98 : x - Step 2: Convert to fraction form
449,187.48/619,982.70 = 258,310.98/x - Step 3: Cross multiply
449,187.48x = 619,982.70 × 258,310.98 - Step 4: Simplify right side
449,187.48x = 160,148,338,820.05 - Step 5: Solve for x
x = 160,148,338,820.05/449,187.48 - Step 6: Final answer
x = 356,528.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.