Finding the Fourth Proportional to 236,412.76, 326,248.02 and 134,438.26
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Solution
The fourth proportional to 236,412.76, 326,248.02 and 134,438.26 is: 185,523.90
Step by Step Solution
- Step 1: Write the proportion equation
236,412.76 : 326,248.02 = 134,438.26 : x - Step 2: Convert to fraction form
236,412.76/326,248.02 = 134,438.26/x - Step 3: Cross multiply
236,412.76x = 326,248.02 × 134,438.26 - Step 4: Simplify right side
236,412.76x = 43,860,216,137.25 - Step 5: Solve for x
x = 43,860,216,137.25/236,412.76 - Step 6: Final answer
x = 185,523.90
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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.