Finding the Fourth Proportional to 260,793.60, 391,190.40 and 201,671.70
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Solution
The fourth proportional to 260,793.60, 391,190.40 and 201,671.70 is: 302,507.55
Step by Step Solution
- Step 1: Write the proportion equation
260,793.60 : 391,190.40 = 201,671.70 : x - Step 2: Convert to fraction form
260,793.60/391,190.40 = 201,671.70/x - Step 3: Cross multiply
260,793.60x = 391,190.40 × 201,671.70 - Step 4: Simplify right side
260,793.60x = 78,892,032,991.68 - Step 5: Solve for x
x = 78,892,032,991.68/260,793.60 - Step 6: Final answer
x = 302,507.55
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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.