Finding the Fourth Proportional to 138,037.10, 207,062.34 and 38,195.09
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Solution
The fourth proportional to 138,037.10, 207,062.34 and 38,195.09 is: 57,294.49
Step by Step Solution
- Step 1: Write the proportion equation
138,037.10 : 207,062.34 = 38,195.09 : x - Step 2: Convert to fraction form
138,037.10/207,062.34 = 38,195.09/x - Step 3: Cross multiply
138,037.10x = 207,062.34 × 38,195.09 - Step 4: Simplify right side
138,037.10x = 7,908,764,711.91 - Step 5: Solve for x
x = 7,908,764,711.91/138,037.10 - Step 6: Final answer
x = 57,294.49
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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.