Finding the Fourth Proportional to 353,763.27, 530,201.99 and 278,586.50
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Solution
The fourth proportional to 353,763.27, 530,201.99 and 278,586.50 is: 417,530.95
Step by Step Solution
- Step 1: Write the proportion equation
353,763.27 : 530,201.99 = 278,586.50 : x - Step 2: Convert to fraction form
353,763.27/530,201.99 = 278,586.50/x - Step 3: Cross multiply
353,763.27x = 530,201.99 × 278,586.50 - Step 4: Simplify right side
353,763.27x = 147,707,114,732.59 - Step 5: Solve for x
x = 147,707,114,732.59/353,763.27 - Step 6: Final answer
x = 417,530.95
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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.