Finding the Fourth Proportional to 236,408.76, 326,242.50 and 134,434.26
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Solution
The fourth proportional to 236,408.76, 326,242.50 and 134,434.26 is: 185,518.38
Step by Step Solution
- Step 1: Write the proportion equation
236,408.76 : 326,242.50 = 134,434.26 : x - Step 2: Convert to fraction form
236,408.76/326,242.50 = 134,434.26/x - Step 3: Cross multiply
236,408.76x = 326,242.50 × 134,434.26 - Step 4: Simplify right side
236,408.76x = 43,858,169,068.05 - Step 5: Solve for x
x = 43,858,169,068.05/236,408.76 - Step 6: Final answer
x = 185,518.38
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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.