Finding the Fourth Proportional to 371,997.36, 558,037.08 and 119,217.96
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Solution
The fourth proportional to 371,997.36, 558,037.08 and 119,217.96 is: 178,840.09
Step by Step Solution
- Step 1: Write the proportion equation
371,997.36 : 558,037.08 = 119,217.96 : x - Step 2: Convert to fraction form
371,997.36/558,037.08 = 119,217.96/x - Step 3: Cross multiply
371,997.36x = 558,037.08 × 119,217.96 - Step 4: Simplify right side
371,997.36x = 66,528,042,281.96 - Step 5: Solve for x
x = 66,528,042,281.96/371,997.36 - Step 6: Final answer
x = 178,840.09
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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.