Finding the Fourth Proportional to 192,567.76, 288,851.40 and 74,156.06
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Solution
The fourth proportional to 192,567.76, 288,851.40 and 74,156.06 is: 111,234.00
Step by Step Solution
- Step 1: Write the proportion equation
192,567.76 : 288,851.40 = 74,156.06 : x - Step 2: Convert to fraction form
192,567.76/288,851.40 = 74,156.06/x - Step 3: Cross multiply
192,567.76x = 288,851.40 × 74,156.06 - Step 4: Simplify right side
192,567.76x = 21,420,082,471.61 - Step 5: Solve for x
x = 21,420,082,471.61/192,567.76 - Step 6: Final answer
x = 111,234.00
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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.