Finding the Fourth Proportional to 236,619.70, 326,542.36 and 134,659.81
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Solution
The fourth proportional to 236,619.70, 326,542.36 and 134,659.81 is: 185,834.62
Step by Step Solution
- Step 1: Write the proportion equation
236,619.70 : 326,542.36 = 134,659.81 : x - Step 2: Convert to fraction form
236,619.70/326,542.36 = 134,659.81/x - Step 3: Cross multiply
236,619.70x = 326,542.36 × 134,659.81 - Step 4: Simplify right side
236,619.70x = 43,972,130,521.84 - Step 5: Solve for x
x = 43,972,130,521.84/236,619.70 - Step 6: Final answer
x = 185,834.62
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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.