Finding the Fourth Proportional to 178,753.50, 268,130.25 and 66,461.99
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Solution
The fourth proportional to 178,753.50, 268,130.25 and 66,461.99 is: 99,692.98
Step by Step Solution
- Step 1: Write the proportion equation
178,753.50 : 268,130.25 = 66,461.99 : x - Step 2: Convert to fraction form
178,753.50/268,130.25 = 66,461.99/x - Step 3: Cross multiply
178,753.50x = 268,130.25 × 66,461.99 - Step 4: Simplify right side
178,753.50x = 17,820,468,653.55 - Step 5: Solve for x
x = 17,820,468,653.55/178,753.50 - Step 6: Final answer
x = 99,692.98
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1.5x scale
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.