Finding the Fourth Proportional to 461,762.10, 691,391.97 and 239,679.54
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Solution
The fourth proportional to 461,762.10, 691,391.97 and 239,679.54 is: 358,869.88
Step by Step Solution
- Step 1: Write the proportion equation
461,762.10 : 691,391.97 = 239,679.54 : x - Step 2: Convert to fraction form
461,762.10/691,391.97 = 239,679.54/x - Step 3: Cross multiply
461,762.10x = 691,391.97 × 239,679.54 - Step 4: Simplify right side
461,762.10x = 165,712,509,329.29 - Step 5: Solve for x
x = 165,712,509,329.29/461,762.10 - Step 6: Final answer
x = 358,869.88
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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.