Finding the Fourth Proportional to 236,758.56, 326,721.37 and 129,329.07
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Solution
The fourth proportional to 236,758.56, 326,721.37 and 129,329.07 is: 178,471.14
Step by Step Solution
- Step 1: Write the proportion equation
236,758.56 : 326,721.37 = 129,329.07 : x - Step 2: Convert to fraction form
236,758.56/326,721.37 = 129,329.07/x - Step 3: Cross multiply
236,758.56x = 326,721.37 × 129,329.07 - Step 4: Simplify right side
236,758.56x = 42,254,570,931.23 - Step 5: Solve for x
x = 42,254,570,931.23/236,758.56 - Step 6: Final answer
x = 178,471.14
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1.5x scale
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.