Finding the Fourth Proportional to 319,929.16, 479,844.42 and 106,700.80
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Solution
The fourth proportional to 319,929.16, 479,844.42 and 106,700.80 is: 160,034.75
Step by Step Solution
- Step 1: Write the proportion equation
319,929.16 : 479,844.42 = 106,700.80 : x - Step 2: Convert to fraction form
319,929.16/479,844.42 = 106,700.80/x - Step 3: Cross multiply
319,929.16x = 479,844.42 × 106,700.80 - Step 4: Simplify right side
319,929.16x = 51,199,783,489.54 - Step 5: Solve for x
x = 51,199,783,489.54/319,929.16 - Step 6: Final answer
x = 160,034.75
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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.