Finding the Fourth Proportional to 192,807.68, 289,294.12 and 74,562.06
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Solution
The fourth proportional to 192,807.68, 289,294.12 and 74,562.06 is: 111,875.03
Step by Step Solution
- Step 1: Write the proportion equation
192,807.68 : 289,294.12 = 74,562.06 : x - Step 2: Convert to fraction form
192,807.68/289,294.12 = 74,562.06/x - Step 3: Cross multiply
192,807.68x = 289,294.12 × 74,562.06 - Step 4: Simplify right side
192,807.68x = 21,570,364,623.45 - Step 5: Solve for x
x = 21,570,364,623.45/192,807.68 - Step 6: Final answer
x = 111,875.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.