Finding the Fourth Proportional to 406,409.24, 609,607.02 and 110,921.24
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Solution
The fourth proportional to 406,409.24, 609,607.02 and 110,921.24 is: 166,379.99
Step by Step Solution
- Step 1: Write the proportion equation
406,409.24 : 609,607.02 = 110,921.24 : x - Step 2: Convert to fraction form
406,409.24/609,607.02 = 110,921.24/x - Step 3: Cross multiply
406,409.24x = 609,607.02 × 110,921.24 - Step 4: Simplify right side
406,409.24x = 67,618,366,571.10 - Step 5: Solve for x
x = 67,618,366,571.10/406,409.24 - Step 6: Final answer
x = 166,379.99
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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.