Finding the Fourth Proportional to 617,207.70, 925,811.55 and 217,845.30
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Solution
The fourth proportional to 617,207.70, 925,811.55 and 217,845.30 is: 326,767.95
Step by Step Solution
- Step 1: Write the proportion equation
617,207.70 : 925,811.55 = 217,845.30 : x - Step 2: Convert to fraction form
617,207.70/925,811.55 = 217,845.30/x - Step 3: Cross multiply
617,207.70x = 925,811.55 × 217,845.30 - Step 4: Simplify right side
617,207.70x = 201,683,694,853.22 - Step 5: Solve for x
x = 201,683,694,853.22/617,207.70 - Step 6: Final answer
x = 326,767.95
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1.5x scale
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.