Finding the Fourth Proportional to 475,939.36, 713,905.44 and 156,313.07
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Solution
The fourth proportional to 475,939.36, 713,905.44 and 156,313.07 is: 234,468.42
Step by Step Solution
- Step 1: Write the proportion equation
475,939.36 : 713,905.44 = 156,313.07 : x - Step 2: Convert to fraction form
475,939.36/713,905.44 = 156,313.07/x - Step 3: Cross multiply
475,939.36x = 713,905.44 × 156,313.07 - Step 4: Simplify right side
475,939.36x = 111,592,747,446.57 - Step 5: Solve for x
x = 111,592,747,446.57/475,939.36 - Step 6: Final answer
x = 234,468.42
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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.