Finding the Fourth Proportional to 239,722.08, 359,743.65 and 99,480.84
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Solution
The fourth proportional to 239,722.08, 359,743.65 and 99,480.84 is: 149,287.88
Step by Step Solution
- Step 1: Write the proportion equation
239,722.08 : 359,743.65 = 99,480.84 : x - Step 2: Convert to fraction form
239,722.08/359,743.65 = 99,480.84/x - Step 3: Cross multiply
239,722.08x = 359,743.65 × 99,480.84 - Step 4: Simplify right side
239,722.08x = 35,787,600,486.67 - Step 5: Solve for x
x = 35,787,600,486.67/239,722.08 - Step 6: Final answer
x = 149,287.88
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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.