Finding the Fourth Proportional to 236,115.90, 325,840.99 and 134,146.92
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Solution
The fourth proportional to 236,115.90, 325,840.99 and 134,146.92 is: 185,123.35
Step by Step Solution
- Step 1: Write the proportion equation
236,115.90 : 325,840.99 = 134,146.92 : x - Step 2: Convert to fraction form
236,115.90/325,840.99 = 134,146.92/x - Step 3: Cross multiply
236,115.90x = 325,840.99 × 134,146.92 - Step 4: Simplify right side
236,115.90x = 43,710,565,218.25 - Step 5: Solve for x
x = 43,710,565,218.25/236,115.90 - Step 6: Final answer
x = 185,123.35
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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.