Finding the Fourth Proportional to 470,794.68, 705,246.48 and 217,720.44
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Solution
The fourth proportional to 470,794.68, 705,246.48 and 217,720.44 is: 326,143.39
Step by Step Solution
- Step 1: Write the proportion equation
470,794.68 : 705,246.48 = 217,720.44 : x - Step 2: Convert to fraction form
470,794.68/705,246.48 = 217,720.44/x - Step 3: Cross multiply
470,794.68x = 705,246.48 × 217,720.44 - Step 4: Simplify right side
470,794.68x = 153,546,573,934.05 - Step 5: Solve for x
x = 153,546,573,934.05/470,794.68 - Step 6: Final answer
x = 326,143.39
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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.