Finding the Fourth Proportional to 296,475.05, 444,719.87 and 86,114.81
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Solution
The fourth proportional to 296,475.05, 444,719.87 and 86,114.81 is: 129,174.33
Step by Step Solution
- Step 1: Write the proportion equation
296,475.05 : 444,719.87 = 86,114.81 : x - Step 2: Convert to fraction form
296,475.05/444,719.87 = 86,114.81/x - Step 3: Cross multiply
296,475.05x = 444,719.87 × 86,114.81 - Step 4: Simplify right side
296,475.05x = 38,296,964,454.10 - Step 5: Solve for x
x = 38,296,964,454.10/296,475.05 - Step 6: Final answer
x = 129,174.33
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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.