Finding the Fourth Proportional to 319,722.37, 479,479.72 and 106,432.99
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Solution
The fourth proportional to 319,722.37, 479,479.72 and 106,432.99 is: 159,614.92
Step by Step Solution
- Step 1: Write the proportion equation
319,722.37 : 479,479.72 = 106,432.99 : x - Step 2: Convert to fraction form
319,722.37/479,479.72 = 106,432.99/x - Step 3: Cross multiply
319,722.37x = 479,479.72 × 106,432.99 - Step 4: Simplify right side
319,722.37x = 51,032,460,243.96 - Step 5: Solve for x
x = 51,032,460,243.96/319,722.37 - Step 6: Final answer
x = 159,614.92
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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.