Finding the Fourth Proportional to 256,941.44, 385,420.58 and 88,459.98
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Solution
The fourth proportional to 256,941.44, 385,420.58 and 88,459.98 is: 132,692.87
Step by Step Solution
- Step 1: Write the proportion equation
256,941.44 : 385,420.58 = 88,459.98 : x - Step 2: Convert to fraction form
256,941.44/385,420.58 = 88,459.98/x - Step 3: Cross multiply
256,941.44x = 385,420.58 × 88,459.98 - Step 4: Simplify right side
256,941.44x = 34,094,296,356.09 - Step 5: Solve for x
x = 34,094,296,356.09/256,941.44 - Step 6: Final answer
x = 132,692.87
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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.