Finding the Fourth Proportional to 489,750.65, 675,833.16 and 271,973.14
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Solution
The fourth proportional to 489,750.65, 675,833.16 and 271,973.14 is: 375,310.30
Step by Step Solution
- Step 1: Write the proportion equation
489,750.65 : 675,833.16 = 271,973.14 : x - Step 2: Convert to fraction form
489,750.65/675,833.16 = 271,973.14/x - Step 3: Cross multiply
489,750.65x = 675,833.16 × 271,973.14 - Step 4: Simplify right side
489,750.65x = 183,808,463,584.13 - Step 5: Solve for x
x = 183,808,463,584.13/489,750.65 - Step 6: Final answer
x = 375,310.30
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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.