Finding the Fourth Proportional to 419,535.41, 579,000.68 and 256,182.91
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Solution
The fourth proportional to 419,535.41, 579,000.68 and 256,182.91 is: 353,557.95
Step by Step Solution
- Step 1: Write the proportion equation
419,535.41 : 579,000.68 = 256,182.91 : x - Step 2: Convert to fraction form
419,535.41/579,000.68 = 256,182.91/x - Step 3: Cross multiply
419,535.41x = 579,000.68 × 256,182.91 - Step 4: Simplify right side
419,535.41x = 148,330,077,326.65 - Step 5: Solve for x
x = 148,330,077,326.65/419,535.41 - Step 6: Final answer
x = 353,557.95
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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.