Finding the Fourth Proportional to 246,378.98, 340,001.34 and 138,949.94
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Solution
The fourth proportional to 246,378.98, 340,001.34 and 138,949.94 is: 191,749.99
Step by Step Solution
- Step 1: Write the proportion equation
246,378.98 : 340,001.34 = 138,949.94 : x - Step 2: Convert to fraction form
246,378.98/340,001.34 = 138,949.94/x - Step 3: Cross multiply
246,378.98x = 340,001.34 × 138,949.94 - Step 4: Simplify right side
246,378.98x = 47,243,165,792.92 - Step 5: Solve for x
x = 47,243,165,792.92/246,378.98 - Step 6: Final answer
x = 191,749.99
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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.