Finding the Fourth Proportional to 74,262.84, 111,368.34 and 29,878.08
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Solution
The fourth proportional to 74,262.84, 111,368.34 and 29,878.08 is: 44,806.69
Step by Step Solution
- Step 1: Write the proportion equation
74,262.84 : 111,368.34 = 29,878.08 : x - Step 2: Convert to fraction form
74,262.84/111,368.34 = 29,878.08/x - Step 3: Cross multiply
74,262.84x = 111,368.34 × 29,878.08 - Step 4: Simplify right side
74,262.84x = 3,327,472,171.99 - Step 5: Solve for x
x = 3,327,472,171.99/74,262.84 - Step 6: Final answer
x = 44,806.69
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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.