Finding the Fourth Proportional to 246,634.48, 340,339.50 and 139,189.90
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Solution
The fourth proportional to 246,634.48, 340,339.50 and 139,189.90 is: 192,072.99
Step by Step Solution
- Step 1: Write the proportion equation
246,634.48 : 340,339.50 = 139,189.90 : x - Step 2: Convert to fraction form
246,634.48/340,339.50 = 139,189.90/x - Step 3: Cross multiply
246,634.48x = 340,339.50 × 139,189.90 - Step 4: Simplify right side
246,634.48x = 47,371,820,971.05 - Step 5: Solve for x
x = 47,371,820,971.05/246,634.48 - Step 6: Final answer
x = 192,072.99
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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.