Finding the Fourth Proportional to 264,015.70, 396,023.55 and 201,807.70
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Solution
The fourth proportional to 264,015.70, 396,023.55 and 201,807.70 is: 302,711.55
Step by Step Solution
- Step 1: Write the proportion equation
264,015.70 : 396,023.55 = 201,807.70 : x - Step 2: Convert to fraction form
264,015.70/396,023.55 = 201,807.70/x - Step 3: Cross multiply
264,015.70x = 396,023.55 × 201,807.70 - Step 4: Simplify right side
264,015.70x = 79,920,601,771.34 - Step 5: Solve for x
x = 79,920,601,771.34/264,015.70 - Step 6: Final answer
x = 302,711.55
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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.