Finding the Fourth Proportional to 314,882.36, 472,237.08 and 188,423.12
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Solution
The fourth proportional to 314,882.36, 472,237.08 and 188,423.12 is: 282,582.94
Step by Step Solution
- Step 1: Write the proportion equation
314,882.36 : 472,237.08 = 188,423.12 : x - Step 2: Convert to fraction form
314,882.36/472,237.08 = 188,423.12/x - Step 3: Cross multiply
314,882.36x = 472,237.08 × 188,423.12 - Step 4: Simplify right side
314,882.36x = 88,980,383,993.29 - Step 5: Solve for x
x = 88,980,383,993.29/314,882.36 - Step 6: Final answer
x = 282,582.94
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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.