Finding the Fourth Proportional to 74,247.84, 111,345.84 and 29,863.08
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Solution
The fourth proportional to 74,247.84, 111,345.84 and 29,863.08 is: 44,784.19
Step by Step Solution
- Step 1: Write the proportion equation
74,247.84 : 111,345.84 = 29,863.08 : x - Step 2: Convert to fraction form
74,247.84/111,345.84 = 29,863.08/x - Step 3: Cross multiply
74,247.84x = 111,345.84 × 29,863.08 - Step 4: Simplify right side
74,247.84x = 3,325,129,727.59 - Step 5: Solve for x
x = 3,325,129,727.59/74,247.84 - Step 6: Final answer
x = 44,784.19
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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.