Finding the Fourth Proportional to 246,409.26, 340,030.81 and 138,972.88
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Solution
The fourth proportional to 246,409.26, 340,030.81 and 138,972.88 is: 191,774.70
Step by Step Solution
- Step 1: Write the proportion equation
246,409.26 : 340,030.81 = 138,972.88 : x - Step 2: Convert to fraction form
246,409.26/340,030.81 = 138,972.88/x - Step 3: Cross multiply
246,409.26x = 340,030.81 × 138,972.88 - Step 4: Simplify right side
246,409.26x = 47,255,060,954.43 - Step 5: Solve for x
x = 47,255,060,954.43/246,409.26 - Step 6: Final answer
x = 191,774.70
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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.