Finding the Fourth Proportional to 275,237.70, 413,245.35 and 170,261.70
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Solution
The fourth proportional to 275,237.70, 413,245.35 and 170,261.70 is: 255,633.06
Step by Step Solution
- Step 1: Write the proportion equation
275,237.70 : 413,245.35 = 170,261.70 : x - Step 2: Convert to fraction form
275,237.70/413,245.35 = 170,261.70/x - Step 3: Cross multiply
275,237.70x = 413,245.35 × 170,261.70 - Step 4: Simplify right side
275,237.70x = 70,359,855,808.10 - Step 5: Solve for x
x = 70,359,855,808.10/275,237.70 - Step 6: Final answer
x = 255,633.06
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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.