Finding the Fourth Proportional to 178,278.24, 267,136.08 and 65,803.68
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Solution
The fourth proportional to 178,278.24, 267,136.08 and 65,803.68 is: 98,601.70
Step by Step Solution
- Step 1: Write the proportion equation
178,278.24 : 267,136.08 = 65,803.68 : x - Step 2: Convert to fraction form
178,278.24/267,136.08 = 65,803.68/x - Step 3: Cross multiply
178,278.24x = 267,136.08 × 65,803.68 - Step 4: Simplify right side
178,278.24x = 17,578,537,124.77 - Step 5: Solve for x
x = 17,578,537,124.77/178,278.24 - Step 6: Final answer
x = 98,601.70
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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.