Finding the Fourth Proportional to 260,607.40, 391,202.70 and 201,704.20
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Solution
The fourth proportional to 260,607.40, 391,202.70 and 201,704.20 is: 302,781.99
Step by Step Solution
- Step 1: Write the proportion equation
260,607.40 : 391,202.70 = 201,704.20 : x - Step 2: Convert to fraction form
260,607.40/391,202.70 = 201,704.20/x - Step 3: Cross multiply
260,607.40x = 391,202.70 × 201,704.20 - Step 4: Simplify right side
260,607.40x = 78,907,227,641.34 - Step 5: Solve for x
x = 78,907,227,641.34/260,607.40 - Step 6: Final answer
x = 302,781.99
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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.