Finding the Fourth Proportional to 246,987.65, 340,898.86 and 139,619.99
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Solution
The fourth proportional to 246,987.65, 340,898.86 and 139,619.99 is: 192,707.19
Step by Step Solution
- Step 1: Write the proportion equation
246,987.65 : 340,898.86 = 139,619.99 : x - Step 2: Convert to fraction form
246,987.65/340,898.86 = 139,619.99/x - Step 3: Cross multiply
246,987.65x = 340,898.86 × 139,619.99 - Step 4: Simplify right side
246,987.65x = 47,596,296,450.98 - Step 5: Solve for x
x = 47,596,296,450.98/246,987.65 - Step 6: Final answer
x = 192,707.19
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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.