Finding the Fourth Proportional to 194,700.78, 291,925.62 and 76,384.08
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Solution
The fourth proportional to 194,700.78, 291,925.62 and 76,384.08 is: 114,526.86
Step by Step Solution
- Step 1: Write the proportion equation
194,700.78 : 291,925.62 = 76,384.08 : x - Step 2: Convert to fraction form
194,700.78/291,925.62 = 76,384.08/x - Step 3: Cross multiply
194,700.78x = 291,925.62 × 76,384.08 - Step 4: Simplify right side
194,700.78x = 22,298,469,912.13 - Step 5: Solve for x
x = 22,298,469,912.13/194,700.78 - Step 6: Final answer
x = 114,526.86
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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.