Finding the Fourth Proportional to 178,056.99, 245,721.74 and 110,072.27
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Solution
The fourth proportional to 178,056.99, 245,721.74 and 110,072.27 is: 151,901.65
Step by Step Solution
- Step 1: Write the proportion equation
178,056.99 : 245,721.74 = 110,072.27 : x - Step 2: Convert to fraction form
178,056.99/245,721.74 = 110,072.27/x - Step 3: Cross multiply
178,056.99x = 245,721.74 × 110,072.27 - Step 4: Simplify right side
178,056.99x = 27,047,149,774.09 - Step 5: Solve for x
x = 27,047,149,774.09/178,056.99 - Step 6: Final answer
x = 151,901.65
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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.