Finding the Fourth Proportional to 246,555.72, 340,005.12 and 149,773.68
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Solution
The fourth proportional to 246,555.72, 340,005.12 and 149,773.68 is: 206,540.81
Step by Step Solution
- Step 1: Write the proportion equation
246,555.72 : 340,005.12 = 149,773.68 : x - Step 2: Convert to fraction form
246,555.72/340,005.12 = 149,773.68/x - Step 3: Cross multiply
246,555.72x = 340,005.12 × 149,773.68 - Step 4: Simplify right side
246,555.72x = 50,923,818,041.24 - Step 5: Solve for x
x = 50,923,818,041.24/246,555.72 - Step 6: Final answer
x = 206,540.81
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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.