Finding the Fourth Proportional to 246,988.65, 340,900.24 and 139,620.99
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Solution
The fourth proportional to 246,988.65, 340,900.24 and 139,620.99 is: 192,708.57
Step by Step Solution
- Step 1: Write the proportion equation
246,988.65 : 340,900.24 = 139,620.99 : x - Step 2: Convert to fraction form
246,988.65/340,900.24 = 139,620.99/x - Step 3: Cross multiply
246,988.65x = 340,900.24 × 139,620.99 - Step 4: Simplify right side
246,988.65x = 47,596,829,000.04 - Step 5: Solve for x
x = 47,596,829,000.04/246,988.65 - Step 6: Final answer
x = 192,708.57
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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.