Finding the Fourth Proportional to 278,048.00, 383,719.05 and 157,194.38
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Solution
The fourth proportional to 278,048.00, 383,719.05 and 157,194.38 is: 216,935.49
Step by Step Solution
- Step 1: Write the proportion equation
278,048.00 : 383,719.05 = 157,194.38 : x - Step 2: Convert to fraction form
278,048.00/383,719.05 = 157,194.38/x - Step 3: Cross multiply
278,048.00x = 383,719.05 × 157,194.38 - Step 4: Simplify right side
278,048.00x = 60,318,479,118.24 - Step 5: Solve for x
x = 60,318,479,118.24/278,048.00 - Step 6: Final answer
x = 216,935.49
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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.