Finding the Fourth Proportional to 371,871.12, 557,843.58 and 119,088.12
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Solution
The fourth proportional to 371,871.12, 557,843.58 and 119,088.12 is: 178,644.00
Step by Step Solution
- Step 1: Write the proportion equation
371,871.12 : 557,843.58 = 119,088.12 : x - Step 2: Convert to fraction form
371,871.12/557,843.58 = 119,088.12/x - Step 3: Cross multiply
371,871.12x = 557,843.58 × 119,088.12 - Step 4: Simplify right side
371,871.12x = 66,432,543,196.27 - Step 5: Solve for x
x = 66,432,543,196.27/371,871.12 - Step 6: Final answer
x = 178,644.00
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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.