Finding the Fourth Proportional to 186,848.14, 257,855.91 and 101,970.66
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Solution
The fourth proportional to 186,848.14, 257,855.91 and 101,970.66 is: 140,722.50
Step by Step Solution
- Step 1: Write the proportion equation
186,848.14 : 257,855.91 = 101,970.66 : x - Step 2: Convert to fraction form
186,848.14/257,855.91 = 101,970.66/x - Step 3: Cross multiply
186,848.14x = 257,855.91 × 101,970.66 - Step 4: Simplify right side
186,848.14x = 26,293,737,327.60 - Step 5: Solve for x
x = 26,293,737,327.60/186,848.14 - Step 6: Final answer
x = 140,722.50
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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.