Finding the Fourth Proportional to 458,311.65, 687,201.05 and 306,682.02
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Solution
The fourth proportional to 458,311.65, 687,201.05 and 306,682.02 is: 459,844.75
Step by Step Solution
- Step 1: Write the proportion equation
458,311.65 : 687,201.05 = 306,682.02 : x - Step 2: Convert to fraction form
458,311.65/687,201.05 = 306,682.02/x - Step 3: Cross multiply
458,311.65x = 687,201.05 × 306,682.02 - Step 4: Simplify right side
458,311.65x = 210,752,204,626.71 - Step 5: Solve for x
x = 210,752,204,626.71/458,311.65 - Step 6: Final answer
x = 459,844.75
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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.