Finding the Fourth Proportional to 385,176.26, 577,762.76 and 104,692.70
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Solution
The fourth proportional to 385,176.26, 577,762.76 and 104,692.70 is: 157,038.61
Step by Step Solution
- Step 1: Write the proportion equation
385,176.26 : 577,762.76 = 104,692.70 : x - Step 2: Convert to fraction form
385,176.26/577,762.76 = 104,692.70/x - Step 3: Cross multiply
385,176.26x = 577,762.76 × 104,692.70 - Step 4: Simplify right side
385,176.26x = 60,487,543,303.85 - Step 5: Solve for x
x = 60,487,543,303.85/385,176.26 - Step 6: Final answer
x = 157,038.61
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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.