Finding the Fourth Proportional to 639,177.94, 958,729.31 and 239,785.26
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Solution
The fourth proportional to 639,177.94, 958,729.31 and 239,785.26 is: 359,663.79
Step by Step Solution
- Step 1: Write the proportion equation
639,177.94 : 958,729.31 = 239,785.26 : x - Step 2: Convert to fraction form
639,177.94/958,729.31 = 239,785.26/x - Step 3: Cross multiply
639,177.94x = 958,729.31 × 239,785.26 - Step 4: Simplify right side
639,177.94x = 229,889,159,714.65 - Step 5: Solve for x
x = 229,889,159,714.65/639,177.94 - Step 6: Final answer
x = 359,663.79
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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.