Finding the Fourth Proportional to 214,356.19, 321,253.97 and 87,848.31
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Solution
The fourth proportional to 214,356.19, 321,253.97 and 87,848.31 is: 131,657.59
Step by Step Solution
- Step 1: Write the proportion equation
214,356.19 : 321,253.97 = 87,848.31 : x - Step 2: Convert to fraction form
214,356.19/321,253.97 = 87,848.31/x - Step 3: Cross multiply
214,356.19x = 321,253.97 × 87,848.31 - Step 4: Simplify right side
214,356.19x = 28,221,618,496.68 - Step 5: Solve for x
x = 28,221,618,496.68/214,356.19 - Step 6: Final answer
x = 131,657.59
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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.