Finding the Fourth Proportional to 216,203.76, 324,312.93 and 58,433.58
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Solution
The fourth proportional to 216,203.76, 324,312.93 and 58,433.58 is: 87,652.34
Step by Step Solution
- Step 1: Write the proportion equation
216,203.76 : 324,312.93 = 58,433.58 : x - Step 2: Convert to fraction form
216,203.76/324,312.93 = 58,433.58/x - Step 3: Cross multiply
216,203.76x = 324,312.93 × 58,433.58 - Step 4: Simplify right side
216,203.76x = 18,950,765,540.19 - Step 5: Solve for x
x = 18,950,765,540.19/216,203.76 - Step 6: Final answer
x = 87,652.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.