Finding the Fourth Proportional to 474,846.76, 655,288.62 and 260,000.68
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Solution
The fourth proportional to 474,846.76, 655,288.62 and 260,000.68 is: 358,800.99
Step by Step Solution
- Step 1: Write the proportion equation
474,846.76 : 655,288.62 = 260,000.68 : x - Step 2: Convert to fraction form
474,846.76/655,288.62 = 260,000.68/x - Step 3: Cross multiply
474,846.76x = 655,288.62 × 260,000.68 - Step 4: Simplify right side
474,846.76x = 170,375,486,796.26 - Step 5: Solve for x
x = 170,375,486,796.26/474,846.76 - Step 6: Final answer
x = 358,800.99
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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.