Finding the Fourth Proportional to 319,639.51, 479,537.33 and 106,407.01
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Solution
The fourth proportional to 319,639.51, 479,537.33 and 106,407.01 is: 159,636.50
Step by Step Solution
- Step 1: Write the proportion equation
319,639.51 : 479,537.33 = 106,407.01 : x - Step 2: Convert to fraction form
319,639.51/479,537.33 = 106,407.01/x - Step 3: Cross multiply
319,639.51x = 479,537.33 × 106,407.01 - Step 4: Simplify right side
319,639.51x = 51,026,132,936.65 - Step 5: Solve for x
x = 51,026,132,936.65/319,639.51 - Step 6: Final answer
x = 159,636.50
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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.