Finding the Fourth Proportional to 246,432.92, 340,130.49 and 155,731.28
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Solution
The fourth proportional to 246,432.92, 340,130.49 and 155,731.28 is: 214,942.70
Step by Step Solution
- Step 1: Write the proportion equation
246,432.92 : 340,130.49 = 155,731.28 : x - Step 2: Convert to fraction form
246,432.92/340,130.49 = 155,731.28/x - Step 3: Cross multiply
246,432.92x = 340,130.49 × 155,731.28 - Step 4: Simplify right side
246,432.92x = 52,968,956,574.73 - Step 5: Solve for x
x = 52,968,956,574.73/246,432.92 - Step 6: Final answer
x = 214,942.70
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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.