Finding the Fourth Proportional to 331,149.68, 456,973.84 and 187,901.18
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Solution
The fourth proportional to 331,149.68, 456,973.84 and 187,901.18 is: 259,296.41
Step by Step Solution
- Step 1: Write the proportion equation
331,149.68 : 456,973.84 = 187,901.18 : x - Step 2: Convert to fraction form
331,149.68/456,973.84 = 187,901.18/x - Step 3: Cross multiply
331,149.68x = 456,973.84 × 187,901.18 - Step 4: Simplify right side
331,149.68x = 85,865,923,765.13 - Step 5: Solve for x
x = 85,865,923,765.13/331,149.68 - Step 6: Final answer
x = 259,296.41
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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.