Finding the Fourth Proportional to 74,263.84, 111,369.84 and 29,879.08
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Solution
The fourth proportional to 74,263.84, 111,369.84 and 29,879.08 is: 44,808.19
Step by Step Solution
- Step 1: Write the proportion equation
74,263.84 : 111,369.84 = 29,879.08 : x - Step 2: Convert to fraction form
74,263.84/111,369.84 = 29,879.08/x - Step 3: Cross multiply
74,263.84x = 111,369.84 × 29,879.08 - Step 4: Simplify right side
74,263.84x = 3,327,628,358.95 - Step 5: Solve for x
x = 3,327,628,358.95/74,263.84 - Step 6: Final answer
x = 44,808.19
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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.