Finding the Fourth Proportional to 371,852.37, 557,815.41 and 119,069.46
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Solution
The fourth proportional to 371,852.37, 557,815.41 and 119,069.46 is: 178,615.99
Step by Step Solution
- Step 1: Write the proportion equation
371,852.37 : 557,815.41 = 119,069.46 : x - Step 2: Convert to fraction form
371,852.37/557,815.41 = 119,069.46/x - Step 3: Cross multiply
371,852.37x = 557,815.41 × 119,069.46 - Step 4: Simplify right side
371,852.37x = 66,418,779,648.38 - Step 5: Solve for x
x = 66,418,779,648.38/371,852.37 - Step 6: Final answer
x = 178,615.99
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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.