Finding the Fourth Proportional to 561,697.23, 842,370.87 and 187,632.75
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Solution
The fourth proportional to 561,697.23, 842,370.87 and 187,632.75 is: 281,390.68
Step by Step Solution
- Step 1: Write the proportion equation
561,697.23 : 842,370.87 = 187,632.75 : x - Step 2: Convert to fraction form
561,697.23/842,370.87 = 187,632.75/x - Step 3: Cross multiply
561,697.23x = 842,370.87 × 187,632.75 - Step 4: Simplify right side
561,697.23x = 158,056,362,857.99 - Step 5: Solve for x
x = 158,056,362,857.99/561,697.23 - Step 6: Final answer
x = 281,390.68
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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.