Finding the Fourth Proportional to 620,145.35, 930,051.50 and 170,759.23
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Solution
The fourth proportional to 620,145.35, 930,051.50 and 170,759.23 is: 256,092.99
Step by Step Solution
- Step 1: Write the proportion equation
620,145.35 : 930,051.50 = 170,759.23 : x - Step 2: Convert to fraction form
620,145.35/930,051.50 = 170,759.23/x - Step 3: Cross multiply
620,145.35x = 930,051.50 × 170,759.23 - Step 4: Simplify right side
620,145.35x = 158,814,878,000.35 - Step 5: Solve for x
x = 158,814,878,000.35/620,145.35 - Step 6: Final answer
x = 256,092.99
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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.