Finding the Fourth Proportional to 246,387.81, 340,026.75 and 138,955.62
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Solution
The fourth proportional to 246,387.81, 340,026.75 and 138,955.62 is: 191,765.28
Step by Step Solution
- Step 1: Write the proportion equation
246,387.81 : 340,026.75 = 138,955.62 : x - Step 2: Convert to fraction form
246,387.81/340,026.75 = 138,955.62/x - Step 3: Cross multiply
246,387.81x = 340,026.75 × 138,955.62 - Step 4: Simplify right side
246,387.81x = 47,248,627,862.84 - Step 5: Solve for x
x = 47,248,627,862.84/246,387.81 - Step 6: Final answer
x = 191,765.28
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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.