Finding the Fourth Proportional to 178,220.28, 245,937.86 and 106,563.08
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Solution
The fourth proportional to 178,220.28, 245,937.86 and 106,563.08 is: 147,053.39
Step by Step Solution
- Step 1: Write the proportion equation
178,220.28 : 245,937.86 = 106,563.08 : x - Step 2: Convert to fraction form
178,220.28/245,937.86 = 106,563.08/x - Step 3: Cross multiply
178,220.28x = 245,937.86 × 106,563.08 - Step 4: Simplify right side
178,220.28x = 26,207,895,850.21 - Step 5: Solve for x
x = 26,207,895,850.21/178,220.28 - Step 6: Final answer
x = 147,053.39
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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.