Finding the Fourth Proportional to 236,405.13, 326,237.64 and 134,430.68
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Solution
The fourth proportional to 236,405.13, 326,237.64 and 134,430.68 is: 185,513.51
Step by Step Solution
- Step 1: Write the proportion equation
236,405.13 : 326,237.64 = 134,430.68 : x - Step 2: Convert to fraction form
236,405.13/326,237.64 = 134,430.68/x - Step 3: Cross multiply
236,405.13x = 326,237.64 × 134,430.68 - Step 4: Simplify right side
236,405.13x = 43,856,345,993.46 - Step 5: Solve for x
x = 43,856,345,993.46/236,405.13 - Step 6: Final answer
x = 185,513.51
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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.