Finding the Fourth Proportional to 246,399.08, 340,030.26 and 138,968.78
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Solution
The fourth proportional to 246,399.08, 340,030.26 and 138,968.78 is: 191,776.65
Step by Step Solution
- Step 1: Write the proportion equation
246,399.08 : 340,030.26 = 138,968.78 : x - Step 2: Convert to fraction form
246,399.08/340,030.26 = 138,968.78/x - Step 3: Cross multiply
246,399.08x = 340,030.26 × 138,968.78 - Step 4: Simplify right side
246,399.08x = 47,253,590,395.28 - Step 5: Solve for x
x = 47,253,590,395.28/246,399.08 - Step 6: Final answer
x = 191,776.65
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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.