Finding the Fourth Proportional to 310,889.97, 466,333.88 and 86,249.97
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Solution
The fourth proportional to 310,889.97, 466,333.88 and 86,249.97 is: 129,374.66
Step by Step Solution
- Step 1: Write the proportion equation
310,889.97 : 466,333.88 = 86,249.97 : x - Step 2: Convert to fraction form
310,889.97/466,333.88 = 86,249.97/x - Step 3: Cross multiply
310,889.97x = 466,333.88 × 86,249.97 - Step 4: Simplify right side
310,889.97x = 40,221,282,728.73 - Step 5: Solve for x
x = 40,221,282,728.73/310,889.97 - Step 6: Final answer
x = 129,374.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.