Finding the Fourth Proportional to 396,223.84, 594,336.12 and 140,246.80
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Solution
The fourth proportional to 396,223.84, 594,336.12 and 140,246.80 is: 210,370.33
Step by Step Solution
- Step 1: Write the proportion equation
396,223.84 : 594,336.12 = 140,246.80 : x - Step 2: Convert to fraction form
396,223.84/594,336.12 = 140,246.80/x - Step 3: Cross multiply
396,223.84x = 594,336.12 × 140,246.80 - Step 4: Simplify right side
396,223.84x = 83,353,738,954.42 - Step 5: Solve for x
x = 83,353,738,954.42/396,223.84 - Step 6: Final answer
x = 210,370.33
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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.