Finding the Fourth Proportional to 236,661.68, 326,606.40 and 129,241.68
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Solution
The fourth proportional to 236,661.68, 326,606.40 and 129,241.68 is: 178,360.77
Step by Step Solution
- Step 1: Write the proportion equation
236,661.68 : 326,606.40 = 129,241.68 : x - Step 2: Convert to fraction form
236,661.68/326,606.40 = 129,241.68/x - Step 3: Cross multiply
236,661.68x = 326,606.40 × 129,241.68 - Step 4: Simplify right side
236,661.68x = 42,211,159,834.75 - Step 5: Solve for x
x = 42,211,159,834.75/236,661.68 - Step 6: Final answer
x = 178,360.77
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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.