Finding the Fourth Proportional to 138,296.33, 207,358.58 and 58,293.14
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Solution
The fourth proportional to 138,296.33, 207,358.58 and 58,293.14 is: 87,403.49
Step by Step Solution
- Step 1: Write the proportion equation
138,296.33 : 207,358.58 = 58,293.14 : x - Step 2: Convert to fraction form
138,296.33/207,358.58 = 58,293.14/x - Step 3: Cross multiply
138,296.33x = 207,358.58 × 58,293.14 - Step 4: Simplify right side
138,296.33x = 12,087,582,280.48 - Step 5: Solve for x
x = 12,087,582,280.48/138,296.33 - Step 6: Final answer
x = 87,403.49
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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.