Finding the Fourth Proportional to 260,037.70, 389,473.35 and 260,037.70
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Solution
The fourth proportional to 260,037.70, 389,473.35 and 260,037.70 is: 389,473.35
Step by Step Solution
- Step 1: Write the proportion equation
260,037.70 : 389,473.35 = 260,037.70 : x - Step 2: Convert to fraction form
260,037.70/389,473.35 = 260,037.70/x - Step 3: Cross multiply
260,037.70x = 389,473.35 × 260,037.70 - Step 4: Simplify right side
260,037.70x = 101,277,754,145.30 - Step 5: Solve for x
x = 101,277,754,145.30/260,037.70 - Step 6: Final answer
x = 389,473.35
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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.