Finding the Fourth Proportional to 319,485.84, 479,302.58 and 94,841.31
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Solution
The fourth proportional to 319,485.84, 479,302.58 and 94,841.31 is: 142,283.87
Step by Step Solution
- Step 1: Write the proportion equation
319,485.84 : 479,302.58 = 94,841.31 : x - Step 2: Convert to fraction form
319,485.84/479,302.58 = 94,841.31/x - Step 3: Cross multiply
319,485.84x = 479,302.58 × 94,841.31 - Step 4: Simplify right side
319,485.84x = 45,457,682,163.84 - Step 5: Solve for x
x = 45,457,682,163.84/319,485.84 - Step 6: Final answer
x = 142,283.87
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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.