Finding the Fourth Proportional to 236,296.74, 325,905.20 and 151,421.70
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Solution
The fourth proportional to 236,296.74, 325,905.20 and 151,421.70 is: 208,843.84
Step by Step Solution
- Step 1: Write the proportion equation
236,296.74 : 325,905.20 = 151,421.70 : x - Step 2: Convert to fraction form
236,296.74/325,905.20 = 151,421.70/x - Step 3: Cross multiply
236,296.74x = 325,905.20 × 151,421.70 - Step 4: Simplify right side
236,296.74x = 49,349,118,665.73 - Step 5: Solve for x
x = 49,349,118,665.73/236,296.74 - Step 6: Final answer
x = 208,843.84
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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.