Finding the Fourth Proportional to 306,788.24, 423,396.36 and 179,455.76
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Solution
The fourth proportional to 306,788.24, 423,396.36 and 179,455.76 is: 247,665.67
Step by Step Solution
- Step 1: Write the proportion equation
306,788.24 : 423,396.36 = 179,455.76 : x - Step 2: Convert to fraction form
306,788.24/423,396.36 = 179,455.76/x - Step 3: Cross multiply
306,788.24x = 423,396.36 × 179,455.76 - Step 4: Simplify right side
306,788.24x = 75,980,915,565.03 - Step 5: Solve for x
x = 75,980,915,565.03/306,788.24 - Step 6: Final answer
x = 247,665.67
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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.