Finding the Fourth Proportional to 260,700.24, 359,682.69 and 145,961.99
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Solution
The fourth proportional to 260,700.24, 359,682.69 and 145,961.99 is: 201,380.72
Step by Step Solution
- Step 1: Write the proportion equation
260,700.24 : 359,682.69 = 145,961.99 : x - Step 2: Convert to fraction form
260,700.24/359,682.69 = 145,961.99/x - Step 3: Cross multiply
260,700.24x = 359,682.69 × 145,961.99 - Step 4: Simplify right side
260,700.24x = 52,500,001,200.95 - Step 5: Solve for x
x = 52,500,001,200.95/260,700.24 - Step 6: Final answer
x = 201,380.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.