Finding the Fourth Proportional to 319,759.22, 479,659.62 and 106,518.08
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Solution
The fourth proportional to 319,759.22, 479,659.62 and 106,518.08 is: 159,784.05
Step by Step Solution
- Step 1: Write the proportion equation
319,759.22 : 479,659.62 = 106,518.08 : x - Step 2: Convert to fraction form
319,759.22/479,659.62 = 106,518.08/x - Step 3: Cross multiply
319,759.22x = 479,659.62 × 106,518.08 - Step 4: Simplify right side
319,759.22x = 51,092,421,775.93 - Step 5: Solve for x
x = 51,092,421,775.93/319,759.22 - Step 6: Final answer
x = 159,784.05
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1.5x scale
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.