Finding the Fourth Proportional to 558,245.98, 837,438.18 and 158,917.90
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Solution
The fourth proportional to 558,245.98, 837,438.18 and 158,917.90 is: 238,396.54
Step by Step Solution
- Step 1: Write the proportion equation
558,245.98 : 837,438.18 = 158,917.90 : x - Step 2: Convert to fraction form
558,245.98/837,438.18 = 158,917.90/x - Step 3: Cross multiply
558,245.98x = 837,438.18 × 158,917.90 - Step 4: Simplify right side
558,245.98x = 133,083,912,758.23 - Step 5: Solve for x
x = 133,083,912,758.23/558,245.98 - Step 6: Final answer
x = 238,396.54
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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.