Finding the Fourth Proportional to 490,029.13, 735,147.58 and 174,485.13
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Solution
The fourth proportional to 490,029.13, 735,147.58 and 174,485.13 is: 261,764.69
Step by Step Solution
- Step 1: Write the proportion equation
490,029.13 : 735,147.58 = 174,485.13 : x - Step 2: Convert to fraction form
490,029.13/735,147.58 = 174,485.13/x - Step 3: Cross multiply
490,029.13x = 735,147.58 × 174,485.13 - Step 4: Simplify right side
490,029.13x = 128,272,321,065.49 - Step 5: Solve for x
x = 128,272,321,065.49/490,029.13 - Step 6: Final answer
x = 261,764.69
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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.