Finding the Fourth Proportional to 246,686.12, 340,433.04 and 139,266.08
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Solution
The fourth proportional to 246,686.12, 340,433.04 and 139,266.08 is: 192,190.69
Step by Step Solution
- Step 1: Write the proportion equation
246,686.12 : 340,433.04 = 139,266.08 : x - Step 2: Convert to fraction form
246,686.12/340,433.04 = 139,266.08/x - Step 3: Cross multiply
246,686.12x = 340,433.04 × 139,266.08 - Step 4: Simplify right side
246,686.12x = 47,410,774,983.28 - Step 5: Solve for x
x = 47,410,774,983.28/246,686.12 - Step 6: Final answer
x = 192,190.69
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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.