Finding the Fourth Proportional to 155,078.76, 232,470.36 and 49,823.84
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Solution
The fourth proportional to 155,078.76, 232,470.36 and 49,823.84 is: 74,688.28
Step by Step Solution
- Step 1: Write the proportion equation
155,078.76 : 232,470.36 = 49,823.84 : x - Step 2: Convert to fraction form
155,078.76/232,470.36 = 49,823.84/x - Step 3: Cross multiply
155,078.76x = 232,470.36 × 49,823.84 - Step 4: Simplify right side
155,078.76x = 11,582,566,021.38 - Step 5: Solve for x
x = 11,582,566,021.38/155,078.76 - Step 6: Final answer
x = 74,688.28
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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.