Finding the Fourth Proportional to 178,981.14, 246,988.70 and 102,497.70
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Solution
The fourth proportional to 178,981.14, 246,988.70 and 102,497.70 is: 141,443.80
Step by Step Solution
- Step 1: Write the proportion equation
178,981.14 : 246,988.70 = 102,497.70 : x - Step 2: Convert to fraction form
178,981.14/246,988.70 = 102,497.70/x - Step 3: Cross multiply
178,981.14x = 246,988.70 × 102,497.70 - Step 4: Simplify right side
178,981.14x = 25,315,773,163.50 - Step 5: Solve for x
x = 25,315,773,163.50/178,981.14 - Step 6: Final answer
x = 141,443.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.